Richard Riordan Autographs
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Current items with a signature of Richard Riordan
These are the most current items with a signature of Richard Riordan that were listed on eBay and on other online stores - click here for more items.
Traded items with a signature of Richard Riordan
The most expensive item with a signature of Richard Riordan (Richard RIORDAN -- The Mayor (Of Los Angeles) -- 2014 SIGNED 1st Edition HC) was sold in June 2026 for $44.74 while the cheapest item (SIGNED (twice) Richard Riordan THE MAYOR: How I Turned Around Los Angeles HC/DJ) found a new owner for $20.00 in June 2025. The month with the most items sold (3) was June 2025 with an average selling price of $25.00 for an autographed item of Richard Riordan. Sold items reached their highest average selling price in March 2025 with $44.74 and the month that saw the lowest prices with $25.00 was June 2025. In average, an autographed item from Richard Riordan is worth $44.74.
Most recently, these items with a signature of Richard Riordan were sold on eBay - click here for more items.
| Picture | Item Title | Price | Store |
 | Richard RIORDAN -- The Mayor (Of Los Angeles) -- 2014 SIGNED 1st Edition HC | $44.74 |  |
| Richard RIORDAN -- The Mayor (Of Los Angeles) -- 2014 SIGNED 1st Edition HC | $44.74 | |
| Richard RIORDAN -- The Mayor (Of Los Angeles) -- 2014 SIGNED 1st Edition HC | $44.74 | |
 | Richard RIORDAN -- The Mayor (Of Los Angeles) -- 2014 SIGNED 1st Edition HC | $44.74 | |
| Richard RIORDAN -- The Mayor (Of Los Angeles) -- 2014 SIGNED 1st Edition HC | $44.74 | |
| Richard RIORDAN -- The Mayor (Of Los Angeles) -- 2014 SIGNED 1st Edition HC | $44.74 | |
| Richard RIORDAN -- The Mayor (Of Los Angeles) -- 2014 SIGNED 1st Edition HC | $44.74 | |
| Richard RIORDAN -- The Mayor (Of Los Angeles) -- 2014 SIGNED 1st Edition HC | $44.74 | |
| Richard RIORDAN -- The Mayor (Of Los Angeles) -- 2014 SIGNED 1st Edition HC | $44.74 | |
| Richard RIORDAN -- The Mayor (Of Los Angeles) -- 2014 SIGNED 1st Edition HC | $44.74 | |
| Richard RIORDAN -- The Mayor (Of Los Angeles) -- 2014 SIGNED 1st Edition HC | $44.74 | |
| Richard RIORDAN -- The Mayor (Of Los Angeles) -- 2014 SIGNED 1st Edition HC | $44.74 | |
| SIGNED (twice) Richard Riordan THE MAYOR: How I Turned Around Los Angeles HC/DJ | $27.45 | |
| SIGNED (twice) Richard Riordan THE MAYOR: How I Turned Around Los Angeles HC/DJ | $25.00 | |
| SIGNED (twice) Richard Riordan THE MAYOR: How I Turned Around Los Angeles HC/DJ | $20.00 | |
