Watch List notes:

British Coins, William I (1066-1087), BMC VIII, PAXS type, penny, Canterbury mint, Aelfred, crowned bust facing with sceptre, no ornaments on shoulders, rev. PAXS in angles of cross, +IELF(RED)ON CNTL; wt. 1.40gms. (BMC 542, N.845, S 1257), very fine, some flatness
An interesting obverse die shared with another moneyer, Burnod at Canterbury. (300-350 GBP)