1921 (4 February) On His Majesty's Service cover to England (addressed to the Pay Officer of Royal Air Force), sent from the RAF Seaplane Base in Constantinople, handstamped "Postage Free Army of the Black Sea", sent through the Indian F.P.O. No.415 at Haidar Pasha, small piece of backflap missing, one of only a few RAF covers from Turkey (Image)

Est.US$500

1919-23 collection of eight covers or cards, neatly written-up on exhibit pages, showing military and civilian mail sent through the British APOs in Constantinople to England, USA, also 1922-23 Military Post Offices No.11, 12, 14 and 15 (these were established during the war between Greece and Turkey), also cover from Russia (RSFSR) addressed to a British Captain at GHQ of the Allied Occupation Forces in Constantinople (Image)

Est.US$500

1921 (19 Sep) registered cover sent from "H.M.S. Julius" at Constantinople to England, Registry label endorsed "M.M.O. C'pl." (Maritime Mail Office/Constantinople), carried by naval pouch to London, where it was franked with 5x1p George V adhesives and placed in the mail stream, "Registered London" and Colchester arrival pmks on back, cover roughly opened at bottom, elusive usage (Image)

Est.US$250