Hello all, question ser# matches cylinder . Number inside yoke also matches frame. But their is a RX on a he inside of yoke.what does RX stand for? Checked ser# gun was made October of 1918.

That's where you put your prescriptions. :-) Seriously, it's likely just an inspector stamp.

Guy

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Guy
SWHF #474 SWCA LM#2629

Or the RX was a identifying code that had meaning only during the manufacture of the revolver, and that meaning is now lost in the mist of time.

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You're shy a few manners.