[Below: 'Kennkarte' just means I.D. card.]
[Below: Reverse. This looks odd... it's strange that it is orange color and has no picture or issue date, or even an eagle and swastika, not to mention it uses a stamp I've never seen used for an identification book. This was good until 1950.]
[Below: Close-up. If this is postwar then they used a Third Reich stamp without the usual blotting it out, but this is sometimes seen, so there is no way to tell.]