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US 90% silver coins: dollars, halves, quarters, dimes

Morgan/Peace dollars (412½ grains, .900), pre-1965 halves/quarters/dimes from the Coinage Act of 1873, and the 1965–70 40% Kennedy half.

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The Act of January 18, 1837 set the silver dollar at 412½ grains, nine-tenths fine — the standard for Morgan and Peace dollars. The Coinage Act of 1873 set the half-dollar at 12.5 g, with the quarter and dime at one-half and one-fifth of that weight, all .900 fine. The Coinage Act of 1965 created a clad Kennedy half weighing 11.5 g with 4.6 g of silver (40%).

Morgan/Peace dollar now: … · 90% half: … · 40% Kennedy: ….

MoedaAnosPeso brutoLei ‰Metal finoValor de fundição
Dólar de prata Morgan / Peace (US$ 1)1837 standard (Morgan 1878–1921; Peace 1921–1935)26.7295 g90024.057 g…
Half dollar EUA 90 % prata (pré-1965)to 1964 (Walking Liberty / Franklin / Kennedy 1964)12.50 g90011.250 g…
Quarter EUA 90 % prata (pré-1965)to 1964 (Washington)6.25 g9005.625 g…
Dime EUA 90 % prata (pré-1965)to 1964 (Mercury / Roosevelt)2.50 g9002.250 g…
Half dollar Kennedy 40 % prata (1965–1970)1965–197011.50 g4004.600 g…

Fontes e metodologia

  1. Act of January 18, 1837, 5 Stat. 136 (govinfo.gov)
  2. Coinage Act of 1873, 17 Stat. 424 (govinfo.gov)
  3. Coinage Act of 1965, 79 Stat. 254 (govinfo.gov)

Aviso: os valores são de fundição indicativos com o preço spot e especificações publicadas. Não são ofertas de compra/venda nem aconselhamento financeiro. Verifique sempre o peso e a lei da peça.