Watch List notes:

COMMEMORATIVE MEDALS, World Medals, Italy, Sarraco, Battista (born 1486-1487), secretary of Ercole II d'Este and poet, aged 70, Uniface Cast Bronze Portrait Medal, 1556, by Pastorino de' Pastorini (c.1508-1596), bust right in cloak with fur collar, signed and dated on truncation, 1556 P, BAPTISTA SARRACVSAGEN ANN LXX, 73.5mm, contained within close fitting brass border (Attwood 557a, this from the Collection of George III, also uniface; Armand I-207-114; Rizzini 300). A soft aftercast cast (comparable with the BM specimen), nearly very fine, the brass border seemingly contemporary with the medal.
The medal is also found with an unrelated reverse on a medal of Isabella Capua Gonzaga

Estimate: £250-350