There are various markings to the helmet including a 1934 date & maker logo to the inside rim of shell & a Carl Henkel Bielefeld stamping to the leather -i’m not sure when the writing on the liner was done.
To note: Bookplate affixed inside cover, does not affect readability. This is a book that looks new but has been read. Cover has no visible wear, and the dust jacket (if applicable) is included for hard covers. No missing or damaged pages, no creases or tears, and no underlining/highlighting of text or writing in the [Continue]