Why was the "X" marked on RC / VoPo Lugers?

[DonVoigt]

Originally Posted by mrerick

My VoPo (re-barrelled 1921; unused since rework, with bullseye grips) has the big "X" on the axle pin... (which is also a mismatch, so it could be for indicating that). This one is under the refinish too...

Marc

I would not call the axle X a typical "X" that I thought you were questioning.

I think you are correct that that particular x is just a cancellation mark.

Ed,
I never said a Vopo could not have an "X", only that many do not.