Tlingit, Gaanaxteidi clan, Northwest Coast, Alaska. c. 1800-1830. Possibly by Naakushtáa, artist of the Dak’laweidí clan, Gaanaxteidi clan, Klukwan Carl Heinmiller, Haines, Alaska c. 1960? Norman Feder Collection, Denver CO. Swan is not a commonly encountered Tlingit crest, and the reason and purpose for this visually stunning mask and creature image are currently unknown outside of Native oral history. On display at the Nelson Atkins Museum in Kansas City.