The edge shows a copper core. Clad. Weight on a gram scale always a good first test.
If you are set to "TONE" and high discrimination, the silver and copper give strong high solid tones and the nickels should give a low tone....
Most of these are local. (Natural History Museum, Albuquerque Aquarium, Rio Grande Zoo, Rio Grande Botanical Gardens) But some of them are from:...
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I'm glad you figured this out. How long did it take, 50 years?
Silver dimes weighed 2.5 grams and the modern clad dimes weigh 2.27 grams. Several possibilities: 1. It's slightly heavy. 2. The scale is slightly...
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