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Roadracer, spot on.

Tolik, Morgan silver dollars (late 1800s through early 1900s) had a total weight of 26.73 grams, and a composition of 90% silver/10% copper. One could therefore conclude that a dollar = 24.057 grams = 0.77345 troy ounces. Interestingly, a full ounce of silver at this moment is US$15.44, so that theoretically means that one of those 90% 1900 silver dollars (at 90% silver composition) has inflated to $11.94, for whatever that’s worth.