Stamps of Bolivia, astronomy (1993) design type, missing design, not overprinted
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postage
1993, Feb 17 450th Anniversary of the Death of Nicolaus Copernicus issue - astronomy (1993) unwmk (no perf info)
| - | 2b | multi | Nicolas Copuernicus |
1993, Feb 18 astronomy (1993)
| - | 0.50b | multi | International Astronomical Observatory Santa Ana in Tarija |
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