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The Dollar, minted from 1878 to 1904 and again in 1921, and the Peace Dollar, minted from 1921 to 1935, are two distinct series of United States one-dollar coins. However, they share identical specifications regarding their metallic composition and weight.
Both the Morgan and the Peace dollar were struck from a composition of 90% silver and 10% copper. The total weight of each coin is 26.73 grams. Based on this composition, the actual silver weight (ASW) for a standard-issue Morgan or Peace dollar is approximately 0.7734 troy ounces, which is equivalent to about 24.057 grams. This silver content is the basis for their bullion value, which is separate from any numismatic or collector value the coin might possess due to its rarity, date, mint mark, or condition.


