Watch List notes:

British Coins, William I (1066-1087), penny, two stars type (BMC V), Northampton, Saewine, crowned bust facing between two stars, rev. SEPI ON HMTVN, cross botonnée over quadrilateral, annulet in centre, wt. 1.31gms. (BNJ XX, pl.V:13 [this coin]; S.1254; N.845), good very fine or better
*ex Baldwin's vault (800 - 1000 GBP)