I'm not the expert in that area, but I ran mine thru a cool web link I found to date and locate it. (I gotta have about 50 gun links saved for it.) And to my eye, this one doesn't appear to have been re-stamped - the S/N's all match as original, with no obvious machining.
53 posted on 12/02/2009 5:36:38 PM PST by Viking2002