Watch List notes:

George IV (1820-1830), Proof Five-Pounds, 1826 SEPTIMO, bare head left, rev. crowned shield in mantle, seven semée of hearts, DECUS ET TUTAMEN • ANNO REGNI SEPTIMO • downwards on edge, 40.02g, 6h (Stratos 214; L&S 27; W&R 213 [R3]; Spink 3797), two toning spots and interspersed foxing and friction in otherwise brilliant original fields, the portrait handsomely cameo, rare only 150 reportedly struck.

Estimate: $40000 - $60000