As I begin to list my Coin Collection to pay for our daughter’s college, I encourage to follow my username as I will be listing. Of coins in the coming weeks. The majority of my coins are in the sealed box from the US Mint and are First Strike eligible when getting them graded. The 2018 United States Proof Set features one of each coin minted for circulation in 2018, all in beautiful Proof finish. The quarters, dime, and half dollar are minted in 90% Silver. Each set is housed in the original mint packaging. This set features the following coins. Also includes the following ATB Quarters. Pictured Lakes National Lakeshore. Apostle Islands National Lakeshore. Cumberland Island National Seashore. Block Island National Wildlife Refuge. Dime, quarters, and half dollar are all minted in 90% Silver. All coins minted in San Francisco.