Watch List notes:

BRITISH COINS, Stephen (1135-1154), penny, Northampton, facing bust, rev. PILLEMI:ON:NOR, cross pattée, fleurs inwards (S.1300; N.896; BMC.176; M.69 [same dies]), toned, fine to very fine
Of the highest rarity - only four examples of this type of all mints recorded by Mack.

Estimate: £3500-4000