The included factory letter confirms the current barrel length, caliber, front sight, and finish when it was shipped to Ed Watson, Rochester, NY, on May 29, 1936. S&W historian Roy Jinks added a note to the letter stating "Ed Watson was a gunsmith who worked for The Gun Shop on State St., Downtown Rochester, NY. Mr. Watson became the owner of this establishment and sold me a lot of early S&W's back in the 1950s".