desc_issuer: Poland desc_issue: 1920a desc_denom: 20m Used by 1 overprinted stamp: Poland semipostal 5/5/1921 20m+30m graygrn issue=1921 semi d=Polish cavalryman ovpt=cross 30MK oc=car on=issue=1920a-20m unwmk perf=9-14.5 paper=thin laid Not used by any images. Matches 1 type: Poland postage 1920 20m graygrn issue=1920a d=Polish cavalryman unwmk perf=9-14.5 paper=thin laid |