desc_issuer: Colombia desc_denom: 20c desc_color: dkbl Used by 1 overprinted stamp: Colombia postal tax 9/1947 20c dkbl d=Columbus (1932) ovpt=cross oc=blk on=20c-dkbl wmk=wavy lines (Colombia) perf=12.5 Not used by any images. Matches 2 types: Colombia postage 6/1932 20c dkbl issue=1932 d=Columbus (1932) wmk=wavy lines (Colombia) perf=12.5 Colombia postal tax 9/1947 20c dkbl d=Columbus (1932) ovpt=cross oc=blk on=20c-dkbl wmk=wavy lines (Colombia) perf=12.5 |