The Netherlands. Friesland. Hermann von Kalvelage 1020-1051. AR Denar (18mm, 0.61g). Emden mint. +[H]E[R]EMON, diademed bust right / +A-HN-TH-OH, in two lines across field, cross voided with pellet in each angle. Dbg. 772; Kluge 300. Fine, usual flat spots, flan split.