Watch List notes:

William I (1066-87), Penny, London, Ægelric, 1.21g, +þillemi rexi, crowned bust facing, canopy above, rev. + iegelric on lvnd, quadilateral over cross fleury (SCBI XX {Mack}, 1367, this coin; EMC 1020.1367, this coin; N.843; BMC III; S.1252), toned, good very fine.
provenance
Purchased Spink, 5 April 1977 - £350
Mack, part I, Glendining, 18 November 1975, lot 226 - "nicely struck specimen, good very fine, 18.5grns" - £290 (Baldwin)
Purchased Baldwin, 1952
Estimate: £800 - £1000