Gian Galeazzo Maria Sforza, Duke of Milan by Robinson, John Charles, Sir, Mellon Educational and Charitable Trust, The A.W., Anonymous Artist, Timbal, Louis-Charles, National Gallery of Art, Dreyfus, Gustave, Duveen Brothers, Inc., Briosco, Benedetto — VisualArtsDB
![Giovanni Paolo Orsini, 1450/1455-1502, Count of Atripaldi 1486 [obverse]](https://api.nga.gov/iiif/91647e44-dabf-4ef5-bb03-ac02b74a1624/full/843,/0/default.jpg)
