CNG 112, Lot: 837. Estimate $7500. Sold for $13000. This amount does not include the buyer’s fee.

HANOVER. William IV. 1830-1837. Proof AV Sovereign (22mm, 7.66 g, 5h). London mint. Dated 1831. Second head right / Crowned coat-of-arms; shield in ornate frame. Edge: plain. Marsh 16D; Bentley 24; W&R 261; SCBC 3829B. In NGC encapsulation, 4740160-004, graded PF 63 ULTRA CAMEO.

From the G. W. K. Roberts Collection, purchased from Sidney W. Smith, December 1979.