They were not shipped as a boxed pair by Colt. The letters state that they were shipped to two different individuals in two different locations on two different dates: J&J Custom Firearms in Columbus, IN on Oct 29, 1999 and Joseph Lucas in Seymore, IN on Aug 26, 1999.
The letters also state that the engraving was done by Colt expert engraver John Adams before sale.
The guns were displayed at a show prior to sale and shipping.