Watch List notes:

George III (1760-1820), Proof Three Shillings Bank Token, 1812, laureate head right rev. legend in oak wreath (ESC 2080 {417}; S.3770), toning to periphery, fields otherwise brilliant, practically as struck.
provenance
Spink Numismatic Circular, January 1978, no. 254 - £185 - 'Proof, rare, E.F - F.D.C'
Estimate: £300.00 - £400.00