| Stamps by countries | Africa | Sao Tome and Principe | |
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Endangered animals. Barn owl (Tyto alba) with bison (Bison bison) on the label. 25.05.2006 Michel 2794 Scott 1598a Yvert 2046 |
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Prehistoric art. Cave painting - Steppe wisent. 19.05.2008 Michel 3562 Scott 1858a Yvert 2684 |
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Souvenir sheet. Native americans. On margin of the sheet are chiefs of the Indian tribes, Bison, an American Bald Eagle, Totem. 29.05.2009 Michel 4052(B688) Scott 2122 Yvert B476 |
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