Watch List notes:

William IV (1830-1837), Proof Sixpence, 1831, bare head right, plain truncation, rev. value in wreath, edge plain, 6h (ESC 2501 [1672]; Spink 3836), flashy brilliant fields with some contact marks to reverse, with a rich overlying cabinet tone framing a cameo portrait, a pleasing extremely fine, in PCGS holder, graded PR62CAM (Cert. 34796842).

Estimate: £150 - £200