Stamps of Portuguese Guinea, 25 base day
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postage
1960, Jun 25 Prince Henry death 500th issue unwmk (no perf info)
| X | 2.50e | lil & multi | astrolabe |
1969, Sep 25 Administration Reform issue
| X | 50c |
1970, Oct 25 Grant arbitration 100th issue
| X | 2.50e | multi | Ulysses Grant & view of Bolama |
1972, May 25 Lusiads 400th issue
| X | 50c | multi | Luiz Camoens |
1 to 4 of 4