Watch List notes:

Death of Isaac Newton 1727 33mm diameter in silver by J.Dassier, Eimer 506 Obverse: Bust three-quarters facing, draped, right, Reverse: EQ. AUR. PHILOSOPHUS. OBIT. 31. MART. 1727. NATUS ANNOS 85., within a wreath, VF

Estimate: 40-80 GBP