Watch List notes:

ITALY, Milano (Duchi). Giovanni Galeazzo Sforza, with Lodovico Sforza. 1476-1494. AR Testone (27mm, 9.55 g, 5h). Second period, circa 1492-1494. Armored bust of Gian Galeazzo Sforza right / Armored bust of Lodovico Maria Sforza right. MIR 221; Crippa 3; MEC 12, –. Attractive cabinet toning with peripheral iridescence. VF.

From the Peter J. Merani Collection. Ex Classical Numismatic Group 53 (15 March 2000), lot 2181.