By Aaron Smith @AaronSmithCNN December 22, 2014: 5:29 PM ET
M1911
16 of 20
Sale price: $1,560
The Colt M1911 .45 caliber semiautomatic pistol was the workhorse of the U.S. Army for more than 80 years, from the war in the Philippines at the end of the Spanish-American War, all the way through both World Wars, Korea and Vietnam, into the 1980s. This particular model in the Morphy auction was made in 1969, just in time for Hamburger Hill. M1911s were used by tunnel rats trying to root out deeply-entrenched Viet Cong.
