Has all of the attributes of an original.
These are tricky because the post war are the same as pre war.........
I would beware as the cap band shows a cockade having been in place, possible post war conversion but more likely not IMO.
The celluloid is the crucial point here, if it is plastic walk away otherwise depending on price and the assumption that the makers made caps pre 1945 then go for it. Stonemint may have the answers to the makers years of business, I do not know them myself.