Liam O'Brien Autographs
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Traded items with a signature of Liam O'Brien
The most expensive item with a signature of Liam O'Brien (Der Katzenprinz and Other Zemnian Tales (9798886636536) - SIGNED by Liam O'Brien) was sold in December 2025 for $2,125.00 while the cheapest item (14-15 UD Premier Autograph Rookie Card of...LIAM O'BRIEN #/299 card #77) found a new owner for $0.99 in July 2020. The month with the most items sold (6) was December 2025 with an average selling price of $100.99 for an autographed item of Liam O'Brien. Sold items reached their highest average selling price in January 2019 with $172.49 and the month that saw the lowest prices with $30.00 was May 2019. In average, an autographed item from Liam O'Brien is worth $100.99.
Most recently, these items with a signature of Liam O'Brien were sold on eBay - click here for more items.
| Picture | Item Title | Price | Store |
 | Critical Role Der Katzenprinz Book SIGNED By Liam O'Brien D&D Vox Machina RARE! | $100.99 |  |
| Critical Role Der Katzenprinz Book SIGNED By Liam O'Brien D&D Vox Machina RARE! | $100.99 | |
| Critical Role Der Katzenprinz Book SIGNED By Liam O'Brien D&D Vox Machina RARE! | $100.99 | |
| Critical Role Der Katzenprinz Book SIGNED By Liam O'Brien D&D Vox Machina RARE! | $100.99 | |
| Critical Role Der Katzenprinz Book SIGNED By Liam O'Brien D&D Vox Machina RARE! | $100.99 | |
| Critical Role Der Katzenprinz Book SIGNED By Liam O'Brien D&D Vox Machina RARE! | $100.99 | |
| Critical Role Der Katzenprinz Book SIGNED By Liam O'Brien D&D Vox Machina RARE! | $100.99 | |
| Critical Role Der Katzenprinz Book SIGNED By Liam O'Brien D&D Vox Machina RARE! | $100.99 | |
| Critical Role Der Katzenprinz Book SIGNED By Liam O'Brien D&D Vox Machina RARE! | $100.99 | |
| Critical Role Der Katzenprinz Book SIGNED By Liam O'Brien D&D Vox Machina RARE! | $100.99 | |
| Critical Role Der Katzenprinz Book SIGNED By Liam O'Brien D&D Vox Machina RARE! | $100.99 | |
| Critical Role Der Katzenprinz Book SIGNED By Liam O'Brien D&D Vox Machina RARE! | $100.99 | |
| Critical Role Der Katzenprinz Book SIGNED By Liam O'Brien D&D Vox Machina RARE! | $100.99 | |
| Critical Role Der Katzenprinz Book SIGNED By Liam O'Brien D&D Vox Machina RARE! | $100.99 | |
| Der Katzenprinz and Other Zemnian Tales (9798886636536) - SIGNED by Liam O'Brien | $2,125.00 | |
