LOS ANGELES, Sept. 19, 2012 -- /PRNewswire/ -- On Sunday, September 30, 2012, California Auctioneers in Ventura, California, will auction off the Colt .45 SAA (Serial Number 158402) that belonged to Robert LeRoy Parker, better known as Butch Cassidy, the legendary bank thief, train robber, and leader of the Wild Bunch Gang—the notorious Wyoming-based bandits that stalked the American West throughout the 1890s. His legacy as an icon of the American Old West was immortalized in the 1969 film Butch Cassidy and the Sundance Kid. Known as the "Amnesty Colt," this is the most documented of Cassidy's guns. Hunted by...