Watch List notes:

George IV (1820-1830), Proof Sovereign, 1826, bare head left, rev. crowned garnished shield, edge milled, 7.99g, 7h (Stratos 216; W&R 237 [R2]; Spink 3801), faint cabinet friction to otherwise brilliant fields, muted cameo definition to portrait, much as struck, rare.

Estimate: $8000 - $10000