- Political & Science
The most expensive item with a signature of Christina Aguilera (Christina Aguilera Autographed / Signed 1999 Promo CD with Photo - FRAMED!) so far was sold in December 2017 for $650.00 while the cheapest item (Christina Aguilera Autograph Signed Photo 12X8 *Genuine Sexy Female Model Singer) found a new owner for $0.99 in January 2018. Sold items reached their highest average selling price in December 2008 with $227.50 and the month that saw the lowest prices with $2.25 was March 2009. In average, an autographed item from Christina Aguilera is worth $18.65.