Watch List notes:

COMMEMORATIVE MEDALS. BRITISH MEDALS. Sir Isaac Newton (1642-1727), Silver Memorial Medal, 1727, by J Crocker, bust of Newton left, wearing open shirt, mantle around, rev seated figure of Science holding a plan of the solar system, FELIX COGNOSCERE CAVSAS, 51.5mm (MI 469/83; Eimer 504). A few minor marks, extremely fine and lightly toned.

Estimate: £250-300