Watch List notes:

George III, Bank of England, Eighteenpence, 1811, edge plain, 11h (ESC 2112 [969]; S.3771), an area of smoothing below bust, otherwise lustrous with light tone, good extremely fine, in NGC 'Minnesota' Holder, graded UNC-Details ~ 'Rev. Spot Removed' (Cert. #5880393-001).
The Minnesota Collection of English Silver Coins
Estimate: £50 - £80