The most expensive item with a signature of Martin Cooper (MARTIN COOPER - PHOTOGRAPH SIGNED) was sold in December 2021 for $100.00 while the cheapest item (Martin Cooper Autograph Signed American Pie Card Inventor of the Cell Phone) found a new owner for $0.99 in January 2016. The month with the most items sold (4) was October 2014 with an average selling price of $7.14 for an autographed item of Martin Cooper. Sold items reached their highest average selling price in December 2021 with $100.00 and the month that saw the lowest prices with $0.99 was January 2013. In average, an autographed item from Martin Cooper is worth $15.00.
In total, we tracked 85 items since 01/01/2008. The chart below shows the trade volume over time.
Most recently, these items with a signature of Martin Cooper were sold on eBay - click here for more items.
Item Title ▲ | Price | Store | |
---|---|---|---|
![]() | SIGNED INDEX CARD BY MARTIN COOPER! HE INVENTED THE CELL PHONE CELLULAR PIONEER | $5.80 | ![]() |
![]() | Martin Cooper, Inventor of the Cell Phone, Signed & Inscribed 7 x 5 Photo, COA | $24.99 | ![]() |
![]() | Martin Cooper signed/auto Cell Phone Inventor Communciations RARE COA LOOK!! | $49.99 | ![]() |
![]() | Martin Cooper Signed Business Card DYNA | $45.00 | ![]() |
![]() | Martin Cooper Signed 3x5 Index Card Autographed Signature Cell Phone Inventor | $40.00 | ![]() |
![]() | Martin Cooper REAL SIGNED Paper COA Autographed Motorola Cell Phone Inventor | $39.99 | ![]() |
![]() | MARTIN COOPER INVENTOR OF THE CELL PHONE SIGNED BUSINESS CARD | $50.00 | ![]() |
![]() | Martin Cooper inventor Mobile Cellular Cell Phone autographed signed photo | $4.24 | ![]() |
![]() | Martin Cooper inventor Mobile Cellular Cell Phone autographed signed photo | $3.80 | ![]() |
![]() | Martin Cooper inventor Mobile Cellular Cell Phone autographed signed photo | $3.30 | ![]() |
![]() | Martin Cooper Historic Inventor of the Cell Phone Signed 3x5 Index Card C12197 | $11.24 | ![]() |
![]() | MARTIN COOPER autograph INVENTOR of 1st mobile phone business card signed | $25.00 | ![]() |
![]() | MARTIN COOPER - PHOTOGRAPH SIGNED | $100.00 | ![]() |
![]() | INVENTOR OF THE CELL PHONE MARTIN COOPER SIGNED BUSINESS CARD | $12.50 | ![]() |
![]() | Inventor of Cell Phone Martin Cooper Autograph | $24.99 | ![]() |