I found another post with some more info that I could not find earlier: http://www.thefiringline.com/forums/...ad.php?t=45272
I am also listing more info found on the barrel and trigger guard.
Manufactured by the Winchester Repeating Arms Co. New Haven Conn USA
Self Loading Model 1905 Patentf Aug 27, Dec 10, 1903, Feb 25 1902, Feb 17, Dec 22 1903
14515 on side and trigger guard.