Article Photos: DNA discoverer's letter sells for more than $5M 1/3

Sandra Palomino, director of historical manuscripts at Heritage Auctions, shows a lab coat worn by Dr. Francis Harry Compton Crick, the1962 Nobel Prize for Physiology or Medicine winner, Wednesday, April 10, 2013 in New York.  On Thursday, his coat and other items including his Nobel Prize medal and accompanying diploma, left, will be sold by Heritage Auctions, which estimates it could fetch at least $500,000.  (AP Photo/Bebeto Matthews)