Lot 135, Christie's, London - Jun 13, 1978
African Art from the Collection of Josef Mueller
Estimate: GBP 12,000 - 25,000
Lot 42, Christie's, Paris - Jun 19, 2014
Art Africain : Oeuvres provenant de la collection de Rudolf et Leonore Blum
Estimate: EUR 150,000 - 250,000