This mixed lot of proof coins includes a cent, nickel, dime, and quarter, all from different proof sets. The coins are uncirculated and ungraded, with a strike type of proof. They were minted in San Francisco and have a denomination of multiple years. The coins are a great addition to any collection and were made in the United States. They do not come with certification and have a KM number of multiple. This lot is perfect for anyone who loves collecting coins and wants to add some variety to their collection.