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Carl (carma48) posted an update Friday, Feb 17, 2012, 3:47pm EST, 13 years, 7 months ago
@wellingtonct : The 1964 Kennedy Half was 90% silver. The 1965-1970 Kennedy Halfs were 40% silver. From 1971 onwards, no silver in them at all.
The Quarters & Dimes were 90% silver through 1964. After 1964, no silver in them at all, just copper clad.