Treasure Hunt 3

GERMANY (BIZONE)-Cyrenaica, 1946 (Aug 30) cover from Hassfurt to a prisoner of war at El-Adem, franked on departure with pair 15 pf and single 20pf (Mi. 41, 43), on arrival 1d and pair 2 1/2d M.E.F. added as postage dues, canceled bt Truk Sept 17 postmark. Very rare and probably unique cover with such franking in this post-war period. Michel No. 41, 43.