Mint Silver Proof Set in Capitol Holder is a valuable collection of coins featuring various denominations made of silver, clad, and copper. This set includes coins struck in proof quality, with a fineness of 90% silver. Produced in Philadelphia by the U. Mint, this set is ungraded and comes with certification from the United States government, making it a highly sought-after piece for collectors of US coins. The set is housed in a Capitol Holder, adding to its appeal as a well-protected and organized display. 1952 Franklin Half Dollar (90%) Silver. 1952 Washington Quarter (90%) Silver. 1952 Roosevelt Dime (90%) Silver. 1952 Jefferson Nickel (75% copper and 25% nickel). 1952 Lincoln Cent- Wheat Reverse (95% copper and 5% tin and zinc).