Watch List notes:

Richard III (1483-85), Groat, type IIIa, Tower, 2.96g, 1h, m.m. SR1, similar to before (N.1659; Stewartby IIIa; S.2157), faint surface scuffs, otherwise a full coin, fine.
provenance
Spink Numismatic Circular, June 2007, HS3040 - £800
Estimate: £600 - £800