
Dime, quarters, and half dollar are all minted in 99.9% pure Silver. Unique obverse and reverse designs are featured on different coins. In addition to the five America the Beautiful Quarter designs honoring Lowell National Historical Park, American Memorial Park, War in the Pacific National Historical Park, San Antonio Missions National Historical Park, and Frank-Church River of No Return Wilderness, this set features the following circulation coins in beautiful proof versions. A 2019 US Mint Proof Silver Coin Set comprises of two special factors: silver content and beautiful proof visuals. Each of the coins in the set is struck in proof with frosted designs and mirror-like background fields, with only the Dime, Quarter, and Half Dollar comprised of 99.9% silver content.
Historically, these three coins are the last denominations issued in circulation with silver content. Quarters and dimes ceased using silver in 1964, while the half-dollar halted silver use in 1970, though its latter issues after 1964 featured 40% silver.