Watch List notes:

William IV (1830-37), Proof Crown, 1831, bare head right, w.w on truncation, rev. shield on mantle, edge plain (L&S 1 - 'Pattern'; ESC 2462 (271) ~ R2; S.3833), lightly bagmarked on obverse, nonetheless with an attractive dark tone overlying pleasingly reflective fields, good very fine/almost extremely fine, rare, in NGC holder, graded PF55 (Cert. #4861253-003).

Estimate: £6,000 - £8,000