So, this is a fun little pocket calendar diary from 1940 that sent me down a rabbit hole. I initially showed the text to a friend in Germany to make sure I was reading the handwriting correctly. It turned into him doing a deep dive into archives because we both wanted to know what the heck happened here.
The text on the front page of the book is: Erkennungsmarke Nr. 4135 Bl. O. 3 Kfr. Ers. Po btl. 11 (3. Kraftfahrer Ersatz-Pionierbataillon 11 and the Bl. O is probably blood type) but the inside is named to a woman, Else Wittenzellner. So the feldpost information is obviously not her. There is also some insurance paperwork for a Rosa. On the back cover, there is a newspaper article glued in about thieves, which is where it starts to get interesting. The lady in the article's name is Rosa Else and she is the same age as the Rosa in the insurance paper. The article lists her maiden name as Grebner and the document says Süß (which is traditionally a Jewish or Saxonian Protestant name). The article mentions a Kurt Walter Illing who apparently went to jail for "serious document forgery committed in cooperation with another criminal subject".
Kurt and Else (Rosa?) ran a scam (among others): they went to sub-let apartments when the person living there was absent. They presented an invoice made out to the renter, and presented it to the landlord, politely asking them to advance the money.
Kurt was born around 1900, even though he pretended to be younger later (the linked above article states 1912 as birth year). During WW1, he was sentenced to hard labor and detention because he left the Western front lines in order to commit "minor thefts and fraud." He was caught in Gera, on his way home to the Erzgebirge. In the 1920s, he was sentenced to embezzlement by a Chemnitz district court: he was tasked with some kind of accounting work in a factory, only to divert significant funds to his own pocket with the help of an accomplice. After he served about a year in prison, he went on to perfect his landlord-advance scam - apparently further improving his document forgery skills. Then there's a gap in the records - and I assume it's got to do with his document forgery skills - he was probably caught and sentenced, but under another name.
This is where Else comes in: I personally assume that the health insurance document, which at this time was enough to prove your identity in order to obtain other legal documents, is a forgery: the round stamp, which is the official seal, from the Flöha district - but the small administrator stamp is from Oederan. That is sketchy. She went under a bunch of different names, apparently; Else Wittenzellner (in the diary page); Rosa Elsa Wittenzellner née Süß (on the document); Rosa Zimmermann née Grebner (news artice), Rose Zimmermann (other news article). There is not too much out there about her, though - or, probably, under different names! However, I assume that she was doing some forgery together with Kurt: in the diary, the last page appears to be practicing a signature with two failed attempts above!
Also, the names with Feldpost and unit numbers on certain days could be sexual encounters - because on 11 April, she writes, "It began," and on 15 April, "Ende Menastr.", which could be her tracking her period.
The screenshot is the newspaper article about their sentence after they've apparently been caught - this is from 27. June 1940, so not too long after the initial article (of which there is a clipping in the calendar). Apparently, they have been stealing bicycles to sell them, as well as cash and clothing. This newspaper article lists Kurt and Rosa as both being 27 (even though by other accounts, he would have actually been 40).
I am not sure how this diary managed to survive or why you would keep newspaper clipping about your crimes.
The diary has some staining and there is not a lot written in it. A few pages are missing.
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