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The most expensive item with a signature of Christopher Heyerdahl (Christopher Heyerdahl Autographed 8×10 Photo Proof Twilight New Van Helsing 1) was sold on eBay in August 2019 for $80.00 while the cheapest item (Christopher Heyerdahl, Hell on Wheels autographed/signed 8x10 W/CofA) found a new owner for $1.00 in April 2017. The month with the most items sold (5) was May 2015 with an average selling price of $9.99 for an autographed item of Christopher Heyerdahl. Sold items reached their highest average selling price in August 2019 with $80.00 and the month that saw the lowest prices with $9.99 was July 2015. In average, an autographed item from Christopher Heyerdahl is worth $9.99.