This is a Webley MK 2 D.A. revolver that was originally .455 caliber but the cylinder was shaved to accept 45 acp ammo on ½ moon clips sometime during or after WW1. The mechanical function is very good crisp and tight, and the bore is very good with nice rifling. It retains 80% of the original military finish. The grips are very good and all of the numbers are matching, 48107. This is ok for Canada because it is a MK 2.