Well I just got my letter back from S&W. And the letter says that my pistol was one of four donated by S&W on 20 Jan 1958 to Jesse Harpe Company in Tampa Florida to be used as an award gun for the 1958 National Mid-Winter Championships; however I am a bit confused as mine does not have the factory engraving as shown in your picture. Perhaps someone could shed some light on this.

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