desc_issuer: Poland desc_denom: 50f desc_color: blgrn Used by 1 overprinted stamp: Eastern Silesia postage 1920 50f blgrn issue=1920e ovpt=S.O.//1920. oc=blk on=issuer=Poland-50f-blgrn Not used by any images. Matches 3 types: Poland postage 1/27/1919 50f blgrn issue=1919a d=eagle & fasces unwmk imperf Poland postage 1/27/1919 50f blgrn issue=1919b d=eagle & fasces unwmk perf=10-11.5 Poland postage 1920 50f blgrn issue=1920a d=eagle & fasces unwmk perf=9-14.5 paper=thin laid |