- Who
- 1873 .45 caliber Colt
- What
- 242000 US dollar(s)
- Where
- United States (New York City)
- When
The most expensive gun sold at auction is an 1873 .45 caliber Colt single action army revolver, Serial No. 1 which was sold at Christie's, New York, USA for $242,000 (£;144,823) on 14 May 1987.
