Watch List notes:

William I, 'the Conqueror' (1066-87), Penny, PAXS type, York, Leysingr, 1.34g, 3h, + þillelm rexi, legend starts at 8 o'clock, crowned and draped bust facing, trefoil over one shoulder, pellet over other, sceptre in field, rev. + leisinc on efrþi, cross potent, p a x s in angles (Tamworth Hoard {1877} -; SCBI 16 (Norweb) 287 same dies; SCBI 18 (Copenhagen) 1309 same dies; SCBI 21 (York) 789 same dies; SCBI 29 (Merseyside) 896 same dies; SCBI 42 (South-Eastern) 878 same dies; SCBI 51 (Estonia) 1112 same dies; BMC VIII, pl. 27, 15, same dies; N.848-50; S.1257), a delightful example with old cabinet tone, good very fine or better.
Provenance
Bonhams-Glendining, 8 April 2009, lot 242
Estimate: £450 - £550