Czechoslovakia. (French Military Detachment). 1919. Stamp-less envelope addressed to Caen cancelled by circular 'Mission Militaire Francaise/ Prague/ Le General' in violet with 'Vrchal Velitilstvi Ces Vojsk/ na Slovensku' military cachet and signed by the Lieutenant, routed via Paris/ Saint Peres. Very fine item.

Thailand. (United States). 1927. Envelope written from 'H.S.M.' s Custom House, Bangkok' addressed to Arlington bearing SG 211, 2s chocolate (pair), SG 213, 3s red-brown (pair) and SG 216, 5s violet tied by Bangkok 2B date stamp, endorsed 'via Penang and Europe' and forwarded from Arlington 'Juil 14' to New Hampshire.

Thailand. (Provincial Postmarks). 1921. Envelope addressed to Bangkok bearing SG 217, 10s yellow-brown and black tied by bilingual Nakhon Ratchasima date stamp with Bangkok/ 1 and Bangkok /5 on reverse. Very fine.

Thailand. (British Consulate - Netherlands East Indies). 1923. Registered Official Mail envelope headed 'On His Britannic Majesty's Service' (with three British Consulate wax seals on reverse), addressed to 'Sourabaya, Java' bearing SG 147, 2s brown and SG 218, 15s blue (4) tied by Bangkok/ 2 date stamp '27th Oct 23' with matching registered label, routed via Singapore.
Lovely item paying the scarce eighty two satang rate.

(Roughly opened at left).

Thailand. (Provincial Postmarks). 1941. Envelope addressed to Bangkok bearing SG 288, 10s carmine tied by bilingual Bhuket date stamp, Very fine item paying the inland rate.

Thailand. (K.L.M. Dutch Service). 1938. Air Mai envelope addressed to the 'Banque de L' Indochine, Paris' bearing SG 260, 1b blue and black tied by Bangkok GPO date stamp with 'K.L.M. Service/ By Airmail' label in red. Very fine.

Thailand. (K.L.M. Dutch Service). 1938. Air Mail envelope addressed to the 'Banque de L' Indochine, Paris' bearing SG 255, 10s carmine and SG 258, 50s orange and black tied by Bangkok GPO date stamp '22nd Jan 38' with 'KLM Service/ By Airmail' label in blue and Paris arrival '29th Feb 38' on reverse. Very fine.

Thailand. (K.L.M. DUTCH SERVICE). 1938. Air Mail envelope addressed to Berlin bearing SG 255, 10s carmine and SG 257, 25s orange and black tied by Bangkok GPO date stamp '18th May 38', endorsed 'By Dutch Airmail K.L.M.' with 'K.L.M./ By Airmail' label in red. Very fine.

Thailand. (Penang). 1940. Envelope addressed to Penang bearing SG 242, 25s blue tied by Bangkok Section date stamp with 'Em. 77/ Passed By Censor' label tied by framed 'Passed By/ 1/ Censor' hand-stamp on face and reverse.

Thailand. (Railway). 1935. Envelope headed 'The Prince Royal's Collage, Chiengmai, Siam' addressed to New York bearing SG 241, 15s carmine tied by bilingual North Express railway cancel with Bangkok transit and framed slogan 'Buy Siam-Rice/ Best in the World' on reverse.

Lovely item sent south on the Northern Express railway from Chiengmai.

Thailand. (Printed Matter Rate - United States). 1946. Envelope addressed to New York bearing SG 309, 3s green tied by bilingual Bangkok GPO date stamp, endorsed 'Printed Matter'.

Nice item paying the unopened Printed Matter rate to New York.

Thailand. (India - Imperial Airways). 1937. Air Mail envelope sent 'Advice of Receipt' and Registered mail addressed to Bombay bearing SG 268, 50s orange and black tied by Bangkok GPO date stamp '22nd Aug 37' with matching registration label and framed hand-struck 'A.R.', endorsed 'Per Imperial Air Mail' with Calcutta and Bombay on reverse '26th Aug.'

Nice single franking paying the 20 satang airmail to India, 15 satang for registration and 15 satang Advice of Receipt (A.R.). Very nice single franking usage.

The mail was carried via Rangoon. (Rough opening on left).

Thailand. (South Africa - Horseshoe Route). 1940. Air Mail envelope addressed to Michigan bearing SG 243, 50s orange and black (pair) tied by Bangkok GPO date stamp '4th Sept 40', endorsed 'By B.O.A.C.' with bilingual 'Opened by Censor' label.

This letter was carried by B.O.A.C. on the 'Horseshoe' route to Durban, South Africa where censor label was applied and then carried by ship via London to the United States.

Thailand. (Trans- Pacific Mail). 1940. Air Mail envelope addressed to New York bearing SG 242, 25s blue (pair), SG 244, 1t green and lilac and SG 245, 2t vermilion and carmine tied by Bangkok GPO date stamp '20th March 40', endorsed 'via USA Clipper/ Trans Pacific Mail' with framed 'Imperial Airways' in violet struck twice on face.

The hand-stamp 'Imperial Airways' indicates the cover was flown to Europe by flying boat reaching Poole and sent by ship across the Atlantic from Liverpool. The cover evaded censorship.

Thailand. (Victory Stamps). 1922. Registered Air Mail envelope addressed to Switzerland bearing 'VICTORY' SG 191, 10s olive and black, SG 192, 15s blue, SG 197, 5s on 6s rose (block of four) and SG 198, 10s on 12s sepia and black tied by bilingual Ubon date stamp '4th June 1922' with matching registration label, endorsed 'via Korat - Bangkok' and 'By Air Post' with Bangkok/ 2b transit '10/6' and framed departure 'By Air Way/ Bangkok/ Date 10/6/2464' and Bern arrival '11th July 22' on reverse.

Lovely item franked with the scarce 'Victory' issue on cover.

Thailand. (Canada). 1941. Envelope addressed to Canada bearing SG 294, 15s black and blue tied by framed slogan 'Thailand Implores For World Peace' with Bangkok GPO date stamp '9th Nov 1941' with circular '9' censor hand-stamp in violet on face.

Thailand. (Penang). 1940. Air Mail envelope addressed to Penang bearing SG 289, 15s blue tied by bilingual Ronpibul date stamp '5th Dec 1940', hand-stamped 'Per Air Mail' with triangular 'Passed For Transmission/ Penang/ 16' on face. Scarce postmark from Ronpibon, South Thailand.

Thailand. (Imperial Airways - Greece). 1933. Illustrated Air Mail envelolpe headed 'Bangkok - Athens' addressed to 'Imperial Airways, Athens, Greece' bearing SG 255, 10s carmine and SG 274, 25s black and mauve tied by Bangkok GPO date stamp with 'jusqu'a mark in red over Pan Avion label.

Carried Bangkok to London by Imperial Airways, at London Office of Exchange the airmail label is crossed out by two parallel bars in red to indicate end of Air Transport.

Thailand. (Trans - Pacific Mail). Circa 1944. Air Mail envelope addressed to New York bearing SG 261, 2b brown and carmine (strip of four) and SG 307, 1b indigo tied with Bangkok GPO date stamp endorsed 'By P.A.A. Line'.

High franking of nine baht sent by Pan American Clipper.

Thailand. (Austria). Circa 1930. Air Mail envelope with 'Garuda' imprint on reverse addressed to Austria bearing SG 254, 5s violet and SG 257, 25s black and orange tied by Bangkok GPO date stamp with matching registration label.
Very attractive.

Thailand. (Air Mail). 1925. Air Mail envelope hand-stamped 'By Air Mail' addressed to Ubol, Siam bearing SG 232, 5s green and SG 234, 15s carmine tied by small 'aeroplane' date stamp of Uttara '10th Feb 1925' with Ubol arrival '17/2' on face and reverse.

Carried in the weekly flight of the 'Royal Aeronautical Service from Uttara to Korat and on by train.

Thailand. (Air Mail). 1926. Air Mail envelope addressed to 'Mr Boon-Thoung Ju-Phong-Saet, Postmaster, Ubon' bearing SG 244, 1t green and lilac tied by small 'aeroplane' date stamp of Nagor Rajasima '9th April 1926' with 'Mit Flugpost/ By Air Mail' label and bilingual Ubon arrival on face.

Nice usage of the Coronation Stone issue on the weekly flight of the 'Royal Aeronautical Service from Korat to Ubon.

Thailand. (Royal Thai Navy). 1951. Envelope written from 'Sub Lt. Rasit Monkolprasit, H.T.M.S "Prap" Bangkok' addressed to the United States bearing SG 313, 5s violet, SG 317, 1b violet and blue and SG 337, 10s green (pair) tied by Bangkok GPO. date stamp with oval 'Royal Thai Navy/ H.T.M.S. "Prap"' cachet on face in violet.

Thailand. (K.L.M. Dutch Airlines). 1938. Air Mail envelope addressed to France bearing SG 240, 10s orange and black and SG 242, 25s blue tied by Bangkok GPO date stamp with 'via Air France' erased and endorsed 'KLM' in re crayon with Gironde arrival '4th Aug 38.' on reverse.

Thailand. (Advertising Covers). 1935. Illustrated Advertising envelope headed 'M. Michelin & Co., Worachak & New Road, Bangkok' with (Michelin Men and Tire) addressed to Saigon, Cochinchine bearing SG 241, 15s carmine tied by boxed slogan hand-stamp reading 'Those Interested in Farming Should Read the Agriculture Newspaper) with adjacent Bangkok date stamp '19th Mch 1935' and Saigon Central '23/3' on reverse. A very scarce Advertising cover. Not many seen from Siam.

Thailand. (K.L.M. Airlines). 1939. Air Mail envelope addressed to California bearing SG 282, 5s violet and SG 284, 15s blue (pair) tied by Bangkok GPO date stamp, endorsed 'K.L.M. via Amsterdam' with 'Pan Avion', crossed in carmine crayon.

Franked at 35 satang for foreign letter rate, carried Don Muang to Amsterdam and then by ship over the Atlantic hence the 'Jusqu'a' mark applied at Office of Exchange'

Thailand. (Denmark). 1938. Air Mail envelope addressed to Kobenhaven bearing SG 242, 25s blue and SG 255, 10s carmine tied by Bangkok GPO date stamp '17th Dec 38'. endorsed 'K.L.M.' on face.

Franked at 35 satang for foreign letter from Don Muang to Amsterdam and by rail and ship to Denmark.

Thailand. (Provincial Postmarks). 1928. Envelope addressed to England bearing SG 254, 5s violet (strip of three) tied by bilingual Nakhon Rajasima date stamp with Bangkok transit. Very fine.

Thailand. (Postal Stationery). 1935. Siam postal stationery envelope 15 satang blue upgraded with SG 255, 10s carmine tied by Singora date stamp with matching registration label addressed to the 'French Dispensary, Bangkok' with arrival. Lovely item of postal stationery from Singora Province.

Thailand. (Provincial Postmarks). 1927. Registered envelope addressed to Bangkok bearing SG 221, 25s indigo tied by bilingual Prachuab Khiri Khan date stamp with registered label and Bangkok/ 10B receiver on reverse. Superb.

Thailand. (Provincial Postmarks). 1921. Envelope (with Garuda imprint on reverse) addressed to Bangkok bearing SG 147, 2s brown (block of four) and SG 148, 3s green (block of four) tied by bilingual Jumbor date stamp '1st June 21' with Bangkok/ 1 arrival '8/6' on reverse.

Lovely item from this small town in Chumphon Province paying the 'twenty satang' internal rate.

Thailand. (Canada). 1941. Envelope addressed to Ontario, Canada bearing SG 289, 15s blue tied by Bangkok GPO date stamp '29th Aug 41' with circular '5' censor chop applied in violet on face. Very fine.

Thailand. (Censor Mail). 1941. Envelope addressed to San Francisco bearing SG 287, 5s violet (strip of three) tied by Bangkok GPO date stamp '3rd July 41' with circular '9' censor chop applied in violet on face. Very fine.

Thailand. (Hong Kong). 1941. Envelope addressed to Toronto, Canada bearing 289, 15s blue tied by Bangkok GPO date stamp '22nd June 41' with circular '3' censor chop, routed via Hong Kong with boxed 'Not Opened by Censor' and small framed '53' in blue-green on reverse.
Unusual as normally applied with Hong Kong censor label.

Thailand. (Laotian Civil War). 1971. Stamp-less envelope addressed to Bangkok cancelled by Nan date stamp '14th Sept 2514 (1971)' with framed 'Royal Thai Army Border Patrol' hand-stamp and 'Censor/ Checked' cachet, signed by the Commanding Officer with Bangkok GPO arrival on reverse and slogan postmark.

Royal Thai Army troops had been in Dai Phu Kha National Park (Nan Province) on the Thai - Laos border as part of 'Operation Phalat' a military offensive of the Laotian Civil War.

Thailand. (Air Mail). 1952. Registered Air Mail envelope addressed to the United States bearing SG 314, 10s scarlet (6), SG 333, 1b blue (3) and SG 340, 25s carmine tied by Bangkok/ 6 date stamp with matching registration label and Philadelphia arrival.

Thailand. (Penang). 1940. Envelope addressed to Penang bearing SG 284, 15s blue tied by Paquebot/ Penang double ring with 'Re - Po/ Auto Polish' label and 'Passed For Transmission' censor hand-stamp on face. Scarce Advertising item from Thailand.

Thailand (Imperial Airways). 1933. Illustrated Air Mail envelope addressed to London bearing SG 255, 10s carmine (pair) and SG 273, 15s black and blue tied by Bangkok GPO date stamp '31st Dec 33'.

Inauguration of Imperial Airways 'Singapore - London' return service - Bangkok to London stage '31st December 1933 paying the 35 satang airmail letter rate to Europe.

Thailand. (Norway). 1930. Envelope addressed to Oslo, Norway bearing SG 255, 10s carmine and SG 257, 25s orange and black tied by Bangkok GPO date stamp, endorsed 'Per K.L.M. (Dutch) Airways carried from Don Muang to Amsterdam and rail and ship to Norway.

Thailand. (Netherlands East Indies). 1947. Air Mail photographic card of the 'The Marble Temple, Bangkok' addressed to Batavia, Java bearing SG 295, 25s orange and slate (3) and SG 312, 10s carmine (2) tied by Bangkok GPO date stamp, endorsed 'Air Mail' with 'Par Avion' label on face.
Scarce use of post card sent Air Mail to the Netherlands East Indies paying the 95 satang rate.

Thailand. (A.V.2.) 1946. Air Mail envelope addressed to Minneapolis bearing SG 256, 15s blue (pair), SG 262, 3b black and yellow and SG 263, 5b purple and grey tied by Bangkok GPO date stamp '8th Oct 46' with bold hand-struck 'A.V.2.' on face.
High Air Mail rate of eight baht thirty satang with post war A.V.2.

Thailand. 1940. Envelope addressed to Bangkok bearing SG 281, 3s green (pair) and SG 285, 2s chocolate (pair) tied by Nakon Sakon date stamp '15th Oct 1940'.
Lovely combination paying the 10 satang inland rate from the north Isan town.

Thailand. (Provincial Postmarks). 1930. Envelope addressed to New York bearing SG 254, 5s violet and SG 267, 10s on 12 satang olive and black tied by bilingual Lampang date stamp with Bangkok transit '1st Oct 30' on reverse.

Thailand. (Burma). 1947. Air Mail envelope headed 'Legation De France au Siam' addressed to the French Consular Agent, Rangoon' bearing SG 294, 15s blue and black (pair) and SG 307, 1b indigo tied by Bangkok GPO date stamp with 'By Airmail/ Par Avion' label in red on face and Rangoon arrival on reverse '23rd Aug 47.'

Very nice item sent by Imperial Air ways to Burma paying the 1 baht 30 satang rate.

Thailand. (Official Mail). 1929. Air Mail envelope headed 'Royal State, Railways of Siam' addressed to 'The New House, Oundle School, Oundle' bearing SG 254, 5s violet (block of 12) date stamp '29.1.72. (1929), endorsed 'By Dutch Air Mail', hand-stamped with bilingual 'Air Mail' in red and framed 'Par Avion'.

Air Mail hand-stamp not recorded in the 'Air Mails of Siam' by' Nils Ramm-Ericson'.

Thailand. (Provincial Postmarks). 1944. Chinese envelope from 'Tia Hah Seng, Nakhon Si Thammarat' addressed to Bangkok bearing 287, 5s purple (top corner margin pair with imprint 16) tied by bilingual Nakhon Si Thammarat date stamp. A very nice item

New Zealand. (Netherlands East Indies). 1941. Envelope written from the 'Netherlands Consulate, Auckland' endorsed 'Certified as Official Correspondence on the Business of the Government of the Netherlands (signed by the Vice- Consul) addressed to Bandoeng, Java bearing New Zealand SG 580, 2d orange (strip of three) tied by Remuera date stamp '5th Dec 41' with circular 'Vice-Consulaat der Nederlanden/ Auckland' in blue with octagonal 'Not Opened by Censor in N.Z./ 3' in violet, routed via Australia with '2/ Passed by/ Censor/ 1103' applied in Sydney and framed 'Niet Door Censuur Geopend/ 11' on face in carmine applied in Bandoeng.

A very fine item.

John Little notes that censor 'No 1103' appears to be 'Not Opened by Censor'.

United States. (Netherlands East Indies). 1941. Air Mail envelope addressed to Malang, Java, Netherlands Indies bearing United States SG A775, 20c green (3) and SG 870, 10c brown tied by New Baltimore date stamp, routed via Singapore with blank censor tape tied by 'Passed by Censor/ 21 A' hand-stamp in violet on face and reverse with circular 'A' and '9' with boxed 'Niet door Censuur/ Geopend/ 86' censor hand-stamp on face.

Very fine item sent over the Pacific to Singapore and the Dutch Indies with scarce Not Opened by Censor cachet.

India. (Netherlands East Indies - Marine Post). 1941. Air mail envelope addressed to 'Netherlandsche Department of the Marine, Batavia' bearing India SG 251, 2a vermilion, SG 254, 3 1/2a blue and SG 259, 1r brown and black tied by Bombay roller '4th Nov 41' with triangular 'Passed By Censor/ C - 18' with 'Batavia/ 6' censor arrival '15/11' in red with framed 'Niet Door Censuur Geopend/ 11' in carmine on face and hand-stamp 'Marine-Censor/ 1'.

Unique item showing Netherland Indies marine censor as well as Not Opened and Censored cachet.

Ex Paul Bulterman and illustrated in Nico de Weijer's wonderful book on Netherlands East Indies censor mail.

Great Britain. (Netherlands East Indies). 1940. Stamp-less envelope cancelled by West Drayton meter cachet 'Penguin Book' 2 1/2d dated '9th July 40' addressed to Sumatra, Netherlands East Indies with Great Britain 'Opened by Examiner' label and 'Door Censuur Gepoend' applied on arrival tied by circular 'Ned. Indisch Deviezen/ Deviezen Censuur Medan/ 11' in carmine on face and reverse, underpaid bearing Netherlands Indies postage due SG D229, 5c salmon applied and tied by Medan receiver '6th Sept 40.' Very fine.