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<p>[QUOTE=&quot;Razz, post: 5345945, member: 100526&quot;]Never use acid on a coin to determine silver content! There are other ways. Krause says 25.00 grams and 37mm diameter on the 1914 UN Sol from Peru so is likely 90 percent silver, also provided in Krause.[/QUOTE]</p><p><br /></p>

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