Quarter sets like this one are an ideal way to complete a collection of the popular America the Beautiful Quarters series. This set is minted in 90% Silver, making them an attractive option for growing a collection of numismatic Precious Metals, as well. Set Highlights: Contains .0.8937 oz of Silver. Housed in a U.S. Mint box with a certificate of authenticity. Includes the following ATB Quarters: Effigy Mounds National Monument Frederick Douglass National Historic Site Ozark National Scenic Riverways Ellis Island National Monument George Rogers Clark National Historic Park All coins minted in San Francisco from 90% Silver. Mirror-like Proof finish adds further beauty with an impressive shine.