The mask was given a provenance of Tsimshian by Marie Mauze in November 1990. The original European tribal names and, where possible, current tribal names have both been given in separate GLT fields.; Although the mask is humanoid in appearance it has supernatural features, such as the ridge between the eyebrows and the down-turned haliotis inlaid mouth, suggesting perhaps it represents a semi-human spirit, or acknowledges the relationship between the human wearer and a spirit helper (G.Crowther).; Exhibited: Old Anthropological displays, Maudslay Gallery, CUMAA, case 21-22, until 081986. New Anthropological displays, wall case, 1990-.