John Maddox Autographs
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Current items with a signature of John Maddox
These are the most current items with a signature of John Maddox that were listed on eBay and on other online stores - click here for more items.
| Picture | Item Title | Price | Store |
 | Roberts, John Maddox SPQR XIII: The Year of Confusion Signed US HCDJ 1st/1.. | $29.98 |  |
 | SIGNED Conan the Valorous Tor 1985 First Print Paperback John Maddox Roberts | $45.00 | |
Traded items with a signature of John Maddox
The most expensive item with a signature of John Maddox (Signed First Edition Roberts, John Maddox - SPQR XII: Oracle of the Dead (The SP) was sold in April 2026 for $78.99 while the cheapest item (Spacer: Window of Mind by John Maddox Roberts 1st Ace Print 1988 Author Signed) found a new owner for $7.00 in September 2022. The month with the most items sold (6) was April 2025 with an average selling price of $31.49 for an autographed item of John Maddox. Sold items reached their highest average selling price in March 2026 with $50.00 and the month that saw the lowest prices with $7.00 was September 2022. In average, an autographed item from John Maddox is worth $31.49.
Most recently, these items with a signature of John Maddox were sold on eBay - click here for more items.
| Picture | Item Title | Price | Store |
 | ERIC KOTANI & JOHN MADDOX ROBERTS SIGNED 1ST - Act of God, Island Words, 1985 | $31.49 |  |
| JOHN MADDOX ROBERTS AS MARK RAMSAY SIGNED 1ST - The Falcon: The Black Pope, #2 | $44.49 | |
| JOHN MADDOX ROBERTS AS MARK RAMSAY SIGNED 1ST - The Falcon: The Bloody Cross, #3 | $44.49 | |
| JOHN MADDOX ROBERTS SIGNED 1ST - Cloak of Illusion, The Cingulum, Book 2, 1985 | $31.49 | |
| JOHN MADDOX ROBERTS SIGNED 1ST - The Cingulum, Book 1, 1985 | $31.49 | |
| JOHN MADDOX ROBERTS SIGNED 1ST - The Poisoned Lands, Stormlands #3, 1992 | $31.49 | |
| Roberts, John Maddox SPQR XIII: The Year of Confusion Signed US 1st NF | $22.98 | |
| SIGNED Conan the Valorous Tor 1985 First Print Paperback John Maddox Roberts | $50.00 | |
| SIGNED Conan the Valorous Tor 1985 First Print Paperback John Maddox Roberts | $50.00 | |
| SIGNED Conan the Valorous Tor 1985 First Print Paperback John Maddox Roberts | $50.00 | |
| SIGNED Conan the Valorous Tor 1985 First Print Paperback John Maddox Roberts | $50.00 | |
 | Signed First Edition Roberts, John Maddox - A Typical American Town St Martins P | $28.99 | |
 | Signed First Edition Roberts, John Maddox - Conan and the Amazon Tor Fantasy pap | $28.99 | |
 | Signed First Edition Roberts, John Maddox - Conan and the Manhunters Tor Fantasy | $28.99 | |
 | Signed First Edition Roberts, John Maddox - SPQR XII: Oracle of the Dead (The SP | $78.99 | |
