Unknown Banknotes

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Hi
I have 3 banknotes and I cannot find out what they are and where they are from.
The link is
http://breta.eu/alegro/?controller=product&path=9_27&product_id=113
Please check the additional images link at the bottom, all the images are there.

And a valuation would be nice, or I can search in the internet, no problem.

Thanks

Eastern European looks like Russian maybe

From what I can find in my ancient copy of Pick they appear to be:
1.  Montenegro 2.  Serbia  3.  Yugoslavia overprinted for Serbia??. 

Guys ,
Thanks. I had asked in another forum as well. The first one is from Montenegro from 1912, which was independent from the Ottoman empire. And the others are from Serbia, Croatia and Slovenia (Yugoslavia). Bob is right