Watch List notes:

Richard III (1483-85), Groat, type IIIb, Tower, 2.85g, 6h, m.m. SR3, similar to before (N.1680; Stewartby IIIb, 1462; S.2158), rub to face, otherwise toned, fair, scarce.
provenance
Clarendon, part I, Bonhams, 28 March 2006, lot 697
Estimate: £500 - £700