Watch List notes:

George III, Bank of England, Three-Shillings, 1812, edge plain, 11h (ESC 2079 [416]; S.3770), somne graffito on reverse, otherwise lustrous, good extremely fine, in NGC 'Minnesota' Holder, graded UNC Details ~ 'Rev. Graffiti' (Cert. #5880393-003).
The Minnesota Collection of English Silver Coins
Estimate: £100 - £150