Thanks Outlaw, and thanks for your help. Apologize for my ineptitude!
Will probably be mounted on a bench replacing a smaller Littlestown.
There's a 2nd hand store nearby with a rusty C. Parker No.2X (missing collar), but shop owner asking $175. I'll see if it's still there when I get back in...
Thanks KM! I need to replace the small spring in the handle and have a collar made. Otherwise will continue to clean it up without major restoration/electrolysis/paint, it's got some character!
Thanks Outlaw! great catalogue reference. will try with pics after some much needed chow. Cleaning up an old vise is thirsty work, too much "pork chop in a can". time for some solid food