Gerhard Ertl Memorabilia

The most expensive item with a signature of Gerhard Ertl (Gerhard Ertl - Nobel Prize Recipient - Authentic Autographed 4x6 Photograph) so far was sold in April 2014 for $25.00 while the cheapest item (Gerhard Ertl 2007 Nobel Prize chemistry autograph hand Signed photo 10x15) found a new owner for $0.01 in December 2013. Sold items reached their highest average selling price in April 2014 with $25.00 and the month that saw the lowest prices with $0.99 was April 2010. In average, an autographed item from Gerhard Ertl is worth $3.88.