Are these WW2 banknotes occupation zone or regular banknotes?

As seen below, big collection.

Those appear to me to be standard notes from the Weimar Republic era. What is the date on the notes?

How do I identify the print year?

Usually, it's on the face of the note. If not, try www.banknote.ws

Here's one of them:

http://www.banknote.ws/COLLECTION/countries/EUR/GER/GER0080.htm