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			With the PARKER GUN WORKS OVERLOAD PROVED stamps those are a set of Remington barrels from 1934 or later.  Looks to me like DJ 3, WF 3 and XK 3.   I would suspect the WF 3, August 1937, was when this set of barrels was fitted.  DJ 3, September 1940, and XK 3, December 1941, are for other repairs.
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