A Grasslands helmet mask, Cameroon, with a spiked and diced coiffure leading to an aperture at the crown of the head, a further larger aperture at the rear of the head, with bared teeth and a beard, 40.5cm ; and a Mende Sowei helmet mask, Sierra Leone, janiform with pierced eyes, two snakes rising from the coiffure, each with red glass inset eyes, 49.5cm; and a

The Roger Todd Collection, London, UK