desc_issuer: Czechoslovakia desc_function: postage due desc_year: 1918 desc_denom: 30h desc_color: bis Related descs: issuer=Czechoslovakia-1919-2h Used by 1 overprinted stamp: Eastern Silesia postage due 1920 30h bis ovpt=SO//1920 oc=blk on=issuer=Czechoslovakia-1918-30h-bis unwmk imperf Not used by any images. Matches 1 type: Czechoslovakia postage due 1918 30h bis issue=1918 due unwmk imperf |