Arm & Sceptre -

Harthacnut (1035-1042), Penny, Arm and Sceptre type, in the name of Harthacnut, London, Eadric, EDRIC ON LVNDE :, 1.12g/9h (FEJ 515, this coin; SCBI Copenhagen 670 and Stockholm 1659, same dies; Parsons 124; BEH 113; N 811; S 1168).  Very rare.