Netherlands 1944 Trio of Amersfoort Concentration Camp Banknotes. 10 Cent, 25 Cent and 1 Gulden. NE-440a, NE-441b and NE-442b. All 3 notes are graded by Paper Money Guarantee as PMG-66EPQ, PMG-66EPQ and PMG-35EPQ respectfully. All with exceptional paper quality. Very scarce banknotes (especially in top grades) and rare opportunity to acquire them as a group. Amersfoort concentration camp was a Nazi concentration camp in Amersfoort, Netherlands. 37,000 prisoners were held there between 1941 to 1945. The fluctuating prisoner population consisted of an eclectic group of people: Jews, prisoners of war from the Soviet Union, members of the resistance, clergy and others.