Bulgaria. ( British Forces in Bulgaria ). 1919. Stamp-less photographic card of 'Sofia' endorsed 'O.A.S.' written from Sofia date '25th May 19' addressed to Ashford cancelled by Army Post Office/ SX21 skeleton of Sofia with framed 'Passed by Censor/ No 474 in violet on face.
Scarce item from the British Army Post Office SX. 21 in Sofia (22.9.19) the only date known to Proud in 'History of British Army Postal Service'.