The values below only reflect the silver value, not rarity or numismatic value. This table should only be used as a guide for buying and selling silver coins. These coins are sometimes called "junk silver", but I really dislike that term. All values shown in USD. Coin value calculations use the 11:28 AM PDT silver price for March 16, 2020: Silver $12.88/oz -1.85 How to Calculate the Value of Junk Silver Coins - Calculating How Much Your Silver is Worth Research the current spot price for silver. Multiply your collection's silver weight by the current spot price. Factor in specie value. Silver coin values apply to many series of US coins. In certain ones, Washington quarters, Roosevelt dimes, it is used to value many of the coins. With other series, Mercury dimes, Walking Liberty halves, careful selection is necessary to avoid undervaluing some of your old silver coins.