Martin Cooper Autographs
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Traded items with a signature of Martin Cooper
The most expensive item with a signature of Martin Cooper (Martin Cooper Signed Baseball Autographed Cell Phone Inventor + Sketch) was sold in July 2025 for $257.98 while the cheapest item (Martin Cooper Signed Autograph 4X6 Photo Autograph Photo Inventor Cellular Phone) found a new owner for $0.01 in February 2023. The month with the most items sold (4) was March 2017 with an average selling price of $14.95 for an autographed item of Martin Cooper. Sold items reached their highest average selling price in September 2025 with $49.99 and the month that saw the lowest prices with $0.99 was January 2016. In average, an autographed item from Martin Cooper is worth $14.95.
Most recently, these items with a signature of Martin Cooper were sold on eBay - click here for more items.
| Picture | Item Title | Price | Store |
 | CELLULAR MOBILE PHONE INVENTOR MARTIN COOPER SIGNED 8X10 MOTOROLA COMMUNICATIONS | $89.99 |  |
| CELLULAR MOBILE PHONE INVENTOR MARTIN COOPER SIGNED 8X10 MOTOROLA COMMUNICATIONS | $89.99 | |
| Martin Cooper auto/signed 4x6 photo Inventor Cell Phone Historical COA LOOK!! | $49.99 | |
| Martin Cooper auto/signed 4x6 photo Inventor Cell Phone Historical COA LOOK!! | $49.99 | |
| Martin Cooper autographed 4x6 photo Inventor Cell Phone Historical COA LOOK!! | $49.99 | |
| Martin Cooper autographed 4x6 photo Inventor Cell Phone Historical COA LOOK!! | $49.99 | |
| Martin Cooper Inventor Of The Cell Phone Hand Signed 4X6 Autograph | $8.00 | |
| Martin Cooper Inventor Of The Cell Phone Hand Signed 4X6 Autograph | $8.00 | |
| Martin Cooper Inventor Of The Cell Phone Hand Signed 4X6 Autograph | $8.99 | |
| Martin Cooper Inventor Of The Cell Phone Hand Signed 4X6 Autograph | $8.99 | |
| Martin Cooper Inventor Of The Cell Phone Hand Signed 4X6 Autograph | $14.99 | |
| Martin Cooper signed 4x6 photo Inventor Cell Phone Historical RARE COA LOOK!! | $49.99 | |
| Martin Cooper signed 4x6 photo Inventor Cell Phone Historical RARE COA LOOK!! | $49.99 | |
| Martin Cooper signed/auto 4x6 photo Inventor Cell Phone Historical COA LOOK!! | $49.99 | |
| Martin Cooper signed/auto 4x6 photo Inventor Cell Phone Historical COA LOOK!! | $49.99 | |
