5 screw, pre-17 and serial 2689xx. Would like to know when made...am guessing late fifties...

If you don't get a quick answer here, try the Smith & Wesson Forum. A lot of collectors hang out there.

http://smith-wessonforum.com/eve

Bye
Jack

1956****** (had to be 10 characters!)

Right and thanks! Had a Kxxxxxxxxx