Watch List notes:

GREECE: 25 Okas (5.6.1944) in black on green and yellow unpt with partisan standing between a village on fire and harvesting scene at center. Handwritten S/N: "A 13158". Violet cachet of Athens, Piraeus and Attica on back. Printing by Liberated Greece, Athens. Inside holder by PMG "Choice Uncirculated 63". (Hellas 279f) & (Pick S162a). Extremely rare!