Watch List notes:

ITALY, Milano (Duchi). Giovanni Galeazzo Sforza. 1476-1494. AR Testone (27mm, 9.59 g, 3h). Reform coinage. Second period, 1474-1476. Armored bust of Gian Galeazzo Sforza right / Helmet left, crested by dragon consuming human figure; branding irons with buckets to left and right; G3 M flanking. MIR 201/2; Crippa 6/A; MEC 12, 733-5. Cabinet toning with gold and blue iridescence, flan flaws. VF.

From the Peter J. Merani Collection. Ex Freeman & Sear 5 (14 May 1999), lot 607.