desc_issuer: Czechoslovakia desc_issue: 1918 due desc_denom: 5h Used by 2 overprinted stamps: Czechoslovakia postage due 7/1/1925 10h bis issue=1925 due ovpt=10 oc=blk on=issue=1918 due-5h unwmk imperf Czechoslovakia postage due 7/1/1925 20h bis issue=1925 due ovpt=20 oc=blk on=issue=1918 due-5h unwmk imperf Not used by any images. Matches 1 type: Czechoslovakia postage due 1918 5h bis issue=1918 due unwmk imperf |