desc_issuer: British Guiana desc_year: 1878 desc_denom: 1c Related descs: issuer=British Guiana-1877 Not used by any overprinted stamps. Used by 3 (0 visible) images: See images as array Matches 2 types: British Guiana postage 1878 1c bl issue=1878 surcharges d=seal of British Guiana (1863) oc=blk on=issue=1866b-6c-bl perf=10 British Guiana postage 1878 1c brn issue=1878 surcharges d=seal of British Guiana (1876) oc=blk on=1876-6c-brn wmk=crown & CC perf=14 |