"He wishes he'd kept the Navy as they seem to have appreciated more"
I'll bet that he does. If it was a 2nd Gen. "Authentic Blackpowder" Colt Stainless '51 Navy, it was one of only 498. produced. They are almost too expensive to shoot any more, and go as collectible pieces for close to about $1000-$1100, if NIB, unturned cylinder, etc. They made about 1,200 of the 1860 Armies, so demand isn't quite so great, say about $600- $700. - Griswold