Bidspirit auction | Astronaut Steven Swanson signed In

Astronaut Steven Swanson signed In Honor of Mariner 10 commemorative envelope PM Pasadena, CA Apr 4 1975 91109. Good condition. All autographs come with a Certificate of Authenticity. We combine postage on multiple winning lots and can ship worldwide. UK postage from £5.99, EU from £7.99, Rest of World from £9.99