Stamps of Portuguese Guinea, 1/2c denom
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postage
1913 1913a issue ovpted on stamp of Macao unwmk p. 13.5 - 16
| X | 1/2c on 1a | ver | fleet arriving at Calicut |
1913 1913b issue ovpted on stamp of Portuguese Africa (no wmk info) (no perf info)
| X | 1/2c on 5r | red | fleet arriving at Calicut |
1913 1913c issue ovpted on stamp of Timor
| X | 1/2c | on 1a (8) |
1914 Ceres issue unwmk
| X | 1/2c | blk | Ceres |
postage due
1921 1921 due issue
| - | 1/2c | grn & blk |
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