Watch List notes:

The Netherlands. Groningen. Wilhelm and Heinrich III/IV, 1054-1076. AR Denar (17mm, 0.90g). +[H]EN[RICVSRE]S, crowned bust facing / [+VVIIHEI]N[IVS], head left, crosier in front, annulet before. Ilisch 18.11; Dbg 546 (for type). Fine, flat spots.