baskenmütze

Good afternoon, This is my first post on this excellent looking forum. My question is, can you please advise me on the BDM beret. I've seen on here photos looking like the beret is made as a one piece of velvet material, but on another forum I've seen photos of the beret made in sections. Like...

Hello Less known and popular than the teufelsmütze, this cap (not my property) was certainly worn during a short time. If anyone has references about it he is welcome !