desc_issuer: British Guiana desc_issue: 1866b desc_denom: 48c desc_color: red Used by 1 overprinted stamp: British Guiana postage 1881 1c red issue=1881a d=seal of British Guiana (1863) ovpt=1//bar oc=blk on=issue=1866b-48c-red perf=10 Not used by any images. Matches 1 type: British Guiana postage 1866 48c red issue=1866b d=seal of British Guiana (1863) perf=10 |