Thank you anyway Friedrich.
Delich has a grey uniform, and it is in the Beaver book.
I think another US collector has one, in fact, a black one.
You can look on the sound websites for an idea about prices.
Regardless whether "B" or "F" the piece looks authentic to me, but I am told of highest quality fake SS embroidery, etc. which puts me on my guard.
The often cited texts on this issue hold no authority in my mind.
I do not collect these things as such.
Good luck with your collecting.
I do own a book by Darre, with his inscription, as well as a book by Backe on the food economy.
These are not faked, and have their own merit.