Stamps of British Guiana, 1863, missing perf, not overprinted
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postage
1863 1863a issue (no wmk info) (no perf info)
| - | 1c | blk | seal of British Guiana | 12.5x13 | ||
| - | 4c | bl | seal of British Guiana |
1863 1863b issue
| - | 24c | grn | seal of British Guiana | — | — | 12.5x13 |
| - | 24c | yelgrn | seal of British Guiana | 12 | ||
| - | 48c | red | seal of British Guiana | |||
| - | 48c | rose | seal of British Guiana | — | — | 12.5x13 |
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