Watch List notes:

George IV (1820-1830), Proof Sixpence, 1821, laureate head left, rev. crowned garnished shield, milled edge, 2.82g, 7h (Bull 2423; ESC 1655 [R2]; Spink 3813), some light handling marks to brilliant fields, otherwise a bold extremely fine, rare.

Estimate: £300 - £400