The West Africa Study Circle (WASC) is the "international specialist society for the study of stamps, postal stationery and postal history of West Africa." The Circle publishes a regular journal, Cameo, and books and monographs. The principal areas covered by the society are the philately of: * Ascension * The Cameroons * Gambia * Gold Coast/Ghana * Nigeria * St. Helena * Sierra Leone * Togo * Tristan da Cunha/Gough Island