Registered cover fr. with 4dr/4000dr and 6dr/6000dr 1944 Gorgopotamos surcharge plus 25000/2dr charity stamp canc. "ΙΩΑΝΝΙΝΑ*25.XI.44" and cachet "ΕΛΕΥΘΕΡΑ ΟΡΕΙΝΗ ΕΛΛΑΣ ΓΕΝΙΚΟΝ ΑΡΧΗΓΕΙΟΝ". (Hellas R36+R37).