MARTIN COOPER Signed Autograph Card Inventor Cellular Phone for Sale

MARTIN COOPER Signed Autograph Card Inventor Cellular Phone For Sale

MARTIN COOPER authentic autographed hand signed card 2x3

NOTE: THERE IS A SMALL INDENTATION AT THE BOTTOM RIGHT OF THE CARD

Please check out my response and buy with confidence

All autographs are guaranteed authentic and will pass any third party inspection service such as PSA

Please check out my wide variety of authentic autographs here on

Follow my store to be notified when I list new autographed listings