1958 10+5 Céntimos Spanish Guinea Stamp African Monarch Butterfly

This is a 1958 Spanish Guinea postage stamp issued to commemorate “Día del Sello” (Stamp Day). The design features a beautiful illustration of the African Monarch butterfly (Danaus chrysippus), symbolizing the rich biodiversity of the region. The stamp has a denomination of 10+5 Spanish Céntimos, with the additional 5 Céntimos likely allocated to fundraising or charitable efforts. It is marked “F.N.M.T.,” indicating it was printed by the Spanish National Mint and Stamp Factory.
Size: 24 x 42 mm
Condition: used (Please take a look at the video. The stamp you receive will be exactly the same as the one in the video. The colors are more accurate in the image than in the video.) Video as part of the description.
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Authenticity unconditionally guaranteed!