Here's photos of the barrel markings. Does the '35 indicate a 1935 barrel/refurb?
https://www.milsurps.com/images/impo..._zpssgqj-1.jpg
https://www.milsurps.com/images/impo..._zpsejgk-1.jpg
https://www.milsurps.com/images/impo..._zpsrvfb-1.jpg
https://www.milsurps.com/images/impo..._zpsfcec-1.jpg