Watch List notes:

Crown 1831 Plain Edge Proof with W.W. incuse on truncation ESC 271, Bull 2462 nFDC deeply toned with flashes of gold, blue/green and magenta, a tiny, hardly noticeable edge nick on the reverse by ANNO mentioned for completeness, all William IV Crowns very rare and highly prized, one of the classic designs of the entire English milled series

Estimate: 12000-18000 GBP