Naval cover to Brooklyn, NY, USA franked with US 2c ‘George Washington’ adhesive (1920) at military concession rate. No sender’s details shown on cover.
Duplex steel handstamp unit applied in black with dated postmark “USS MC CORMICK (223) DEC 2 1923” and 3-bar obliteration marker with location of the cancel “CAVALLA, GREECE” applied in-between to the right side over the postage stamp.
[USS McCormick (DD-223) destroyer operated in eastern Mediterranean and Greece until the spring of 1924. She served there almost under diplomatic capacity during the negotiations for the peace treaty between the Allies and Turkey, finally signed at Lausanne on 24 July 1923, officially ending the war between the Allies and Turkey (it came into force on 6 August 1924)].
No postal or other marks applied on arrival at final destination.
Condition: Excellent; see scans.
If registered, please add 3 euros