You have a good eye, Mr. Ireland. As I recall that is the model I had in mind originally when I first described the revolver in, I think, Cimarron Rose. I have a small collection that includes a couple of 1851-model Colt's. I think one is .44 caliber and the other is .36., but I don't have a Peacemaker or the double-action 1878 model. Maybe I might get one of those fellows down the line.
Thanks for your posts.
All the best,