Watch List notes:

William IV (1830-37), Proof Shilling, 1831, bare head right, w.w. incuse in block capitals on truncation, rev. inverted die axis, crowned value in wreath, edge plain, 5.66g (ESC 2488 {1266}; S.3835), cabinet friction to high points and with a gentle tone overlying brilliant surfaces, extremely fine or near so, scarce.

Estimate: £500 - £700