Black and white studio photograph of Chief Hollow Horn Bear (Mato He Oklogeca). He is dressed in Indian regalia includes a feathered headdress, beaded moccasins, long pants and beaded shirt, and holds a tomahawk in his lap. The photograph was taken at the Rosebud Reservation.
Hollow Horn Bear's portrait is on an old 14 cent U.S. postage stamp and on the old $5 silver certificate. He was born in Sheridan County, Nebraska, and took part in a number of the battles with troops and railroaders. At the Rosebud Agency, he negotiated with General Crook and served as police chief. His brothers include Goes to War and Iron Shell. The Rosebud Sioux Indian Reservation is located nine miles north of Valentine, Nebraska, in South Dakota.