I have a pair....sort of. They both say 28-2 under the yoke, but this one is a .44 Special...
I had it converted by George Matthews of Downey, CA in the early 70's, using an original model 24 barrel. That is a first generation ProPoint, when Tasco optics were still made in Japan.
This one I picked up about a month ago. It is an "S" serial number and had diamond Magna stocks, but the number on the stocks was several hundred off the number on the gun, so I installed a set of elk stag Magnas...
Adios,
Pizza Bob