Finally got my letter from Smith & Wesson. The gun was shipped to Wolf and Klar in January of 1930. it was one of three nickel plated 4" barrels shipped. W&K did the pearl grips and engraving.
Thanks for the answers. I am sending off for the factory letter today. Very possibly a Wolf and Klar since my dad lived in Oklahoma all his life and traveled to Ft. Worth frequently.
Thank you all for the info. It is a S&W and has the shroud protecting the ejector. Just got on this forum and will need to check out how to post a picture.