Watch List notes:

WORLD COINS, Italy, Urbino, Francesco Maria della Rovere (1508-1538), Gold Ducat, undated, struck under Pope Leone X (1513-1521), FRΛNC MA VR BINI DVX, cuirassed bust right, rev S R E CΛP GEN SUB LEO X PON MX, crowned eagle with the arms of the Della Rovere family, 3.46g (CNI 14; F 1197). Possibly removed from a mount, about very fine and extremely rare.

Estimate: £5000-7000