Watch List notes:

George IV (1820-1830), Proof Crown, 1826 SEPTIMO, bare head left, rev. crowned shield with floral garnish, DECUS ET TUTAMEN • ANNO REGNI SEPTIMO • upwards on edge, 28.39g, 7h (L&S 27; ESC 2336 [257]; Spink 3806), irregular patchy tone possibly the result of past wiping, otherwise brilliant fields underling a dark gray-blue tone, good extremely fine, very rare, , This lot is also offered as a group lot in lot 279. Whichever reaches higher hammer price will sell and the other option will be withdrawn..
Provenance
The Gemini Collection
, ,
NGC PF62 (Certification #5880298-005)
, https://www.ngccoin.com/certlookup/5880298-005/62/
Estimate: £3,000 - £4,000