- Political & Science
The most expensive item with a signature of Jeff Hammond (Steve Byrnes / Jeff Hammond Fox + 11 NASCAR Drivers autographed Simpson Helmet) so far was sold in February 2017 for $89.99 while the cheapest item (SALE! JEFF HAMMOND AUTOGRAPHED NASCAR CARD with COA) found a new owner for $0.25 in June 2011. Sold items reached their highest average selling price in February 2008 with $10.29 and the month that saw the lowest prices with $0.50 was July 2011. In average, an autographed item from Jeff Hammond is worth $4.83.