Watch List notes:

British Coins, Aethelred II (978-1016), penny, first small cross type (BMC I var), Northampton, Cylm, diademed bust l., rev. CYLM M-O HΛMTV, small cross, wt. 1.06gms. (S.1143; N.764; Hildebrand -), cracked, otherwise about very fine, extremely rare
*ex Baldwin's vault
(500-700 GBP)