ITALY, Milan (Duchy). Giovanni Galeazzo Sforza. 1476-1494. AR Testone (28mm, 9.61 g, 12h). Struck 1480-1494. (mitred head of St. Ambrosius) · IO GZ · M · S F · VICECOMES · DVX · MLI · SX ·, armored bust right / · (mitred head of St. Ambrosius) · LV PATRVO · · GVBNANTE, coat-of-arms surmounted by two elaborately crested helmets. Crippa 4; MIR 222. Iridescent toning. Good VF.