Watch List notes:

William Wyon (1795–1851), portrait of an unknown gentleman, perhaps the orientalist James Prinsep (1799-1840), uniface trial squeeze, bronzed tin, c. 1840's, bare head r., signed on truncation, W. WYON, 34mm., very fine
Old ticket states, "bt. of Parsons 2/11/33 1/-" and "artist's proof by W. Wyon of head of for a medal"
Brown (BHM) records 3 medals of Prinsep (BHM.1965-67), each with a similar, though left-facing head.

Estimate: 60 - 80 GBP