SILVER is on???? STACK & INVEST NOW! These coins have circulated, adding to their unique character and historical significance. The US 90% silver coinage, minted by the US Mint, features 19 coins: 3 Peace Dollars, 4 Franklin Half Dollars, 8 Walking Liberty Half Dollars, & 4 Standing Liberty Quarters. They are a great investment for those looking to diversify their portfolio or for collectors looking to add to their collection of silver coins.