Very nice. I have a soft spot for K-Frames. As soon as I turned 21 I bought a 3" 65 and had Karl Sokol build a custom carry gun out of it for me. I've been carrying Sokol customs for over 20 years now.
Years ago there were still a lot of revolvers being traded in by PDs and I was working on the side for an LE supply store, brokering their trade-ins. Instead of cash I get paid in guns, ammo, or whatever I want. I would take one of every Smith revolver that came through the shop. Back then, nobody wanted them and we were only giving $125-175 each! I have a large collection of all the different M10 lengths, 13, 65 and 66 snubs, and one department even traded in some Victory Models and old M&P .38's.
I was just in the right place at the right time in PD trade-in history. After that, it went on to the mass of 9mm's coming through, and we are now flooded with .40's. It makes me wonder what's next.
OP, great find. I only find BP guns at flea markets.