The Hethersett Collection of Crowns and Historical Medals

William IV (1830-1837), Proof Crown, 1831, gulielmus iiii d: g: britanniar: rex f: d:, bare head left, w.w. incuse on truncation, rev. crown over square-topped shield of arms draped with mantle, edge plain, 27.98g/6h (L & S 1; ESC 2462; S 3833). About as struck, the fields prettily toned and retaining considerable brilliance; rare and particularly attractive £15,000-£20,000

F.M. de Chastelain Collection, SCMB May 1970 (DC34)