desc_issuer: Upper Silesia desc_issue: 1920a desc_denom: 20pf desc_color: bl Used by 2 overprinted stamps: Upper Silesia postage 3/8/1920 5pf bl issue=1920b d=numeral (1920 Upper Silesia) ovpt=5//Pf. oc=blk on=issue=1920a-20pf-bl unwmk Upper Silesia postage 3/8/1920 10pf bl issue=1920b d=numeral (1920 Upper Silesia) ovpt=10//Pf. oc=blk on=issue=1920a-20pf-bl unwmk Not used by any images. Matches 1 type: Upper Silesia postage 2/20/1920 20pf bl issue=1920a d=numeral (1920 Upper Silesia) unwmk |