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The 25-cent piece was the highest-denomination coin minted in the Netherlands during World War II. Struck between 1941 and 1943, the 25-cent coin was worth 1/4, or 0.25, of a Dutch guilder. It was made entirely of zinc, and designed by Nico de Haas, a Dutch national-socialist. The respective mintage was of 34,600,000 (1941), (1942), 13,600,000 (1943).