1973 Souvnir Mint Set (USPS Stamp Set Folder)

This 1973 Souvenir Mint Set features a beautifully preserved collection of United States Postal Service stamps. Housed in their original envelope, these stamps have never been hinged, keeping them in pristine mint condition. The set showcases the stamps issued by USPS in 1973, The stamps remain secured in the original USPS Stamp Set Folder, additionally validating their authenticity and maintaining their protection.