NOK HEAD NIGERIA Terracotta H.: 28 cm (11 in.) A Nok head, Nigeria Provenance: Collection of Jean-Jacques Rotthier (1932–2009), Brussels, then passed down through the family Exhibitions: The Birth of Art in Black Africa: Nok Sculpture in Nigeria, Luxembourg, Banque Générale du Luxembourg, 1998, 12 October to 13 December 1998 Bibliography: The Birth of Art in Black Africa: Nok Sculpture in Nigeria, Banque Générale du Luxembourg & Ed. Adam Biro, Paris, 1998, p. 40, fig. 4 A NOK HEAD NIGERIA Terracotta H.: 11 in. Provenance: Jean-Jacques Rotthier Collection (1932–2009), Brussels, then by descent Exhibitions: The Birth of Art in Black Africa: Nok Sculpture in Nigeria, Luxembourg, Banque Générale du Luxembourg, 1998, 12 October–13 December 1998 Bibliography: The Birth of Art in Black Africa: Nok Sculpture in Nigeria, Banque Générale du Luxembourg & Ed. Adam Biro, Paris, 1998, p. 40, fig. 4