NETHERLANDS. Groningen (Besieged). Uniface 6-1/4 Stuivers Klippe, 1672. ANACS EF-45. KM-24; Del-738. Struck after the siege to commemorate the defeat of the French forces. Strong detail overall, with attractive tone and some random marks on the reverse. Ex: Ponterio 168 (4/2008) Lot # 2214.