Coins like the 1972 Silver Dollar can actually hold significant numismatic value, depending on the coin’s condition, rarity, and a few other important factors. The lack of silver content doesn’t make these coins worthless, however. Instead, coins would be minted using other, less expensive materials and clad with a thin outer layer of silver bullion. Mint to stop producing circulated coins using pure silver. Johnson passed the 1965 Coinage Act, which required the U.S. Mint actually stopped producing silver dollars with.
Not all silver coins are made with silver. Rising Interest Rates and Gold's Performance.