Hand-Colored Lithographs of Ioway and Oto Chiefs: Nie-O-Mon-Ni and Chon-Mon-I-Case Two hand-colored lithographic prints depicting Native American chiefs. One print shows Nie-O-Mon-Ni, an Ioway chief, wearing a pink shirt. The other depicts Chon-Mon-I-Case, an Oto half-chief, wearing a headdress with horns. Published by A. N. Hart and D. Rice. Circa 1850.