A Yaka whistle

the broad mouthpiece beneath a spherical body and terminating in ahead with exaggerated features including a large upturned nose framed by protruding ears and wearing a crested headdress with brass tacks; with string attached at the neck; softly worn reddish brown patina.

Lucien van de Velde, Antwerp

Bourgeois 1984: 92, figure 79
Robbins and Nooter 1989: 551, figure 1503