how much silver in us quarters
90% Silver Quarters - $1 Face Value in 90 Percent Junk Silver Coins. These circulated 90% silver quarters are sold by the $1 face value (4 quarters to each $1), each $1 containing approximately .715 ozt of pure silver. This generic selection of quarters dated 1964 and prior is almost always all Washington Quarters though the occasional Standing Liberty Quarter may be found.