Watch List notes:

VF20 | George I (1714-1727), Guinea, 1720, 'large 20' fourth bust, edge obliquely milled, 8.27g, 5h (MCE 252; S.3631), lightly buffed otherwise a hint of tone, fine / good fine, in NGC holder, graded VF20 (Cert. #5878606-007).
https://www.ngccoin.com/certlookup/5878606-007/20/
Estimate: £500 - £800