Aethelred the Unready, 978-1016, AR Penny. CRVX type, Cambridge mint; Aelfric, moneyer. 

+ AEDELRED REX. ANGLO X, draped bust left holding sceptre with trefoil head. 
+ +AELFRIC M-O GRANT around circle containing cross, C-R-V-X in angles. 

Seaby 1148; N. 770.
Courtesy of Spinks Ltd. Numis. Circ. 201112.