Portuguese Colonies. (Angra - Horta - Ponta Delgada). 1905. Colours changed and new values 'ANGRA' SG 45, 50r ultramarine and SG 47, 75r brown/ yellow in vertical strips of three overprint 'SPECIMEN'. 'HORTA' SG 44, 50r ultramarine and SG 46, 75r brown/ yellow in vertical strips of three overprint 'SPECIMEN' and 'Ponta Delgada' SG 47, 50r ultramarine and SG 49, 75r brown/ yellow in vertical strips of three overprint 'SPECIMEN'.
Stamps of Angra, Horta and Porta Delgada (AZORES) were received by the Rhodesia Post Office from the U.P.U. in Berne and applied with their own gum to pages from a commercially bought stamp album and the 'SPECIMEN' type R4 hand-stamp applied.
Angra, Horta and Ponta Delgada the 1905 colour changed and new values overprint 'Specimen' in strips of three with receipt date and dispatch number written alongside. The 'SPECIMEN' hand-stamp is the fancy type R4 listed by Marcus Samuel and James Bendon unique to Rhodesia and certainly on the stamps of the small islands of Angra, Horta and Ponta Delgada in the Azores.
These unique 'SPECIMEN' stamps were 'Liberated 'from the Rhodesia Post Office in early 1980's and have just appeared on the market.