Difficult to do any real analysis because of the whitening in the numbers. You can tell a lot about marks if you can see them in their natural state.
But, it is probably safe to say that the gun did not leave the factory that way. 100 percent probability if the gun is otherwise properly marked.
The only thing that comes to mind is that it is a rack number, or something to do with inventory created by an overly enthusiastic armory keeper. 50 percent probability.
A totally out of the box thought, dependent on whether or not, the gun has all of the required proofs and acceptances, etc, is that it is a Test Sequence number placed there by the factory as part of a sample testing process or to identify a gun that was subjected to a variance in manufacturing technique.. Less than 10 percent probability. Clearly if the gun is otherwise normally marked the probability drops to zero.
A puzzler.
John
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