Watch List notes:

Richard III, Groat, 2.86g, London, type IIb/a mule, m.m. boar's head / halved sun and rose 1, obv., c of ricard mispunched or defective, letter l1 in angl, rev., a of tas chevron-barred, letters l1, m1 (N. 1679; S. 2156; Winstanley 16 and pl. II, 14, this piece illustrated; Stewartby p. 434, IIb/a), small flan crack, about very fine and extremely rare. Ex E.K. Burstal Collection, Sotheby's, 6-7 November 1912, lot 136 (where described as 'usual type') and E.J. Winstanley Collection. Winstanley described this coin as an 'irregular issue', suggesting that the dies may have been accidentally mismatched by a mint workman, and placed it at the end of his London listing. (£2,000-3000)