Yep. That's the much smaller I frame, not a K22 Outdoorsman. As stated above, it's a .22/32 Heavy Frame Target. Also known as the 'Bekeart Model' after the SF, CA dealer who first suggested the model and ordered them.
Yours is from the 1920s and looks to be in very good condition. I would expect at least $500-$600, maybe a little more.

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Chris
SWCA #2243 SWHF #292