desc_issuer: Czechoslovakia desc_issue: 1918 due desc_denom: 15h Used by 2 overprinted stamps: Czechoslovakia postage due 7/8/1925 30h bis issue=1925 due ovpt=30 oc=blk on=issue=1918 due-15h unwmk imperf Czechoslovakia postage due 7/8/1925 40h bis issue=1925 due ovpt=40 oc=blk on=issue=1918 due-15h unwmk imperf Not used by any images. Matches 1 type: Czechoslovakia postage due 1918 15h bis issue=1918 due unwmk imperf |