Looks exactly like the one I have, maybe they are long-lost cousins (Serial 22K83XX).
Mine has been sitting in my nightstand drawer for forty years. I take it out and shoot a box through it a couple of times a year. Well, most years. I couldn't find (or afford) a Model 64 so I went with the nickel model 15.
I have the original receipt. $169. Model 64's were $100 more if you could find one. Doesn't seem like much but I think I was making $5 an hour at the time.
Adjust the $169 in 1977 for inflation and in today's dollars it's $677.