Stuart Gibbs Autographs
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Current items with a signature of Stuart Gibbs
These are the most current items with a signature of Stuart Gibbs that were listed on eBay and on other online stores - click here for more items.
| Picture | Item Title | Price | Store |
 | Stuart Gibbs Spy School Ser. Evil Spy School TPB 2016 Signed Edition | $2.65 |  |
Traded items with a signature of Stuart Gibbs
The most expensive item with a signature of Stuart Gibbs (Lot 13 SPY SCHOOL Stuart Gibbs project x north goes wild 1 signed PB/HB EXC L1) was sold in November 2025 for $104.00 while the cheapest item (Spy School Ser.: Spy Ski School SIGNED by Stuart Gibbs (2016, HCDJ 1st ed)) found a new owner for $5.00 in May 2025. The month with the most items sold (4) was December 2025 with an average selling price of $22.50 for an autographed item of Stuart Gibbs. Sold items reached their highest average selling price in February 2026 with $95.00 and the month that saw the lowest prices with $5.00 was May 2025. In average, an autographed item from Stuart Gibbs is worth $19.99.
Most recently, these items with a signature of Stuart Gibbs were sold on eBay - click here for more items.
| Picture | Item Title | Price | Store |
 | AUTOGRAPHED SIGNED Spy School Blackout by Stuart Gibbs (2025, Hardcover) | $28.70 |  |
| Belly Up by Stuart Gibbs - Signed by Stuart Gibbs! | $95.00 | |
 | Charlie Thorne and the Last Equation by Stuart Gibbs - Signed 1st Edition | $21.99 | |
 | Charlie Thorne and the Last Equation by Stuart Gibbs - Signed 1st Edition | $13.95 | |
| Lot 13 SPY SCHOOL Stuart Gibbs project x north goes wild 1 signed PB/HB EXC L1 | $104.00 | |
 | NEW + SIGNED - ape escape by STUART GIBBS (2026, Hardcover) -1st ed. | $44.00 | |
| Once upon a Tim SIGNED by Stuart Gibbs (2022, HC 1st Ed) | $9.68 | |
| SIGNED Bear Bottom by Stuart Gibbs FunJungle Novel First Edition HCDJ | $15.00 | |
| SIGNED Charlie Thorne & the Last Equation 2019 HC 1st Ed. by Stuart Gibbs | $10.00 | |
| SIGNED Spy School at Sea by Stuart Gibbs First Edition HC/DJ (2021) | $20.00 | |
| SIGNED Spy School Project X by Stuart Gibbs First Edition Print HC/DJ (2022) | $15.00 | |
 | SIGNED! Big Game by Stuart Gibbs (2015, Hardcover) | $29.99 | |
| Spy School Blackout by Stuart Gibbs (2025, Hardcover) SIGNED 1st/1st | $34.99 | |
| Spy School Blackout SIGNED Stuart Gibbs (2025, Hardcover) 1ST/1ST NEW w/Coa | $29.95 | |
| Stuart Gibbs Spy School Goes Wild (Signed, Hardcover) | $25.00 | |
