William IV (1830-37), proof Shilling, 1835, round top to 3, bare head right, rev. crown above value in wreath, grained edge (ESC 2493 (1272) - R6; S.3835), attractive tone overlying brilliant surfaces, much as struck, and of the highest rarity, in NGC 'Waterbird' holder, graded PF62 (Cert. #4861773-003).
Estimate: £2,500.00 - £3,000.00