
I don't see any contradiction in the FAQ, as;
The grips should, but not always
and
Almost all of the byf 42's
Say the same thing, they are commonly found numbered. Yours doesn't, most should, so its possible yours are okay, but they may not be.
Perhaps Frank will see this and comment, as I beleive I borrowed his words from several postings.
Lugers are not 100% always one way, they are usually done that way, but when you talk about 120,000 made in a year, there would be inconsistency (and if I got the numbers wrong, I am sorry)