Watch List notes:

Edward IV, second reign (1471-83), Halfgroat, type XII, York, 1.46g, 10h, m.m. lis, saltire stops, as London type (DIG 1/1; Blunt and Whitton XII; N.1633; S.2109), chipped, with a die break across chin and some striking softness, nevertheless fine, extremely rare, one of perhaps four recorded examples with one in the Fitzwilliam.
provenance
D I Greenhalgh, part III, DNW 106, 6 February 2013, lot 202
Spink 14, 19 March 1981, lot 240
,
Refer to Galata's Guide to Medieval Half-Groats, pp. 145, no. 2 (this coin), and pp. 146, pls. DIG 1/1 (this coin).
Estimate: £250 - £350