Thanks for the comments Andy. For my first NCO I seem to have gotten an odd one, but that's part of the fun.

So the hypothesis I'm going with, anyone correct me if I'm wrong, is that this was a somewhat crudely finished war-time blade that was chrome plated in the 30's, the scabbard possibly repainted at the same time and given a new 1934 frog. The second pin in the crossguard was ground down at the time of plating. There's no trace of it visible now.

I'd like to get an appropriate knot of some kind for it. Any online reference for the different types of knots that would have been used in the 30'S ?

If anyone's seen another with a single pin in the crossguard like this please let me know, I'd be curious to see it.

Thanks,
Tim