This pair of masks is attributed to Ikamrailnguq in Napaskiaq Village, Kuskokwim River, Alaska, and created around 1900. The Swan Spirit mask in the photograph was sold to Andre Breton by the Museum of the American Indian. Today it is on display in the Louve as an artifact of French art history. The Arctic Loon Spirit mask was purchased from the Museum of the American Indian and collected by Georges Duthuit. It is one of the masks that inspired Henri Matisse. Today it is in a private collection. This mask was included in Yua: Henri Matisse and the Inner Arctic Spirit at the Heard Museum in Phoenix, Arizona – ExplorationVacation.net