Bwa zoomorphic plank mask, called butterfly or bird mask, wood and white, black and red pigments, Burkina Faso, 185 cm long. A very fine mask, whose lateral parts represent the animal's wings adorned with concentric circles, while the central part shows the face. The back of the mask features a checkerboard patternProvenance: Gérald and Muriel Minkoff collection, Geneva

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