Stopped in my favorite LGS today and they had a nickel model-36 round butt that caught my eye. I thought it was marked as a Mod-36 no dash, but had a "J" prefix serial number. Is this possible (or did just just mis-read the marking)? I don't recall the number sequence as I was also looking at a couple other revolvers (Model-14's) he had in there too. This is an addiction, I want them all.