Watch List notes:

William I 'the Conqueror' (1066-1087), 'Bonnet' Type, Penny, 1068-1070, Wallingford, Svartlingr, + PILLELMV REX, crowned bust facing, rev. + SPEARTLINC ON PAL, voided short cross over pellet-tipped quatrefoil, 1.11g [17.1grns], 1h (SCBI 40 [Ashmolean], 40-43; SCBI 30 [American], 685; North 842; BMC II; Spink 1251), small chip to flan and with pastille grey surfaces, struck details very fine or better, scarce.
Provenance,
Ormonde Coins, by private treaty,
Estimate: £900 - £1200