Watch List notes:

World Medals, Italy, Vatican, Calixtus III (1378-1455-1458), Alfonso de Borgia, the departure of the fleet for action against the Ottoman Empire, bronze medal, c.1455, 18th-19th century after G. Paladino, bust l., wearing mitre and stole, rev. the fleet sailing, two ships in distress, HOC VOVI DEO, 41mm (Linc 388; Arm I, 296, II), trace of mount-mark on top edge, very fine
Much of the policy of Calixtus's short papacy was dictated by his vow towards directing a crusade against the Turks, who had captured Constantinople two years prior to his accession
(80-120 GBP)