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What year is assay mark t for silver cigaret case?
In 1943 the US made cents from zinc-plated steel to save copper for the war effort. Most of them are still common among collectors and sell for 20 cents to a half dollar.
All $1 coins minted from 1794 to 1935 (with many gaps) are made of an alloy of 90% silver and 10% copper. Weights changed over the years but most of them contain about 24 gm of pure silver so they're...