Experts comments

Dear friends,
I need your help!!!
There are some items in my collection, that I can not identify myself.
Please, take a look at these items, and let me know if you have any ideas.
Email me: sema@uic.edu
Thank you!

Unlisted 10 cent 1919 coin
Fake 1908 Piastre coin (*)
Fake Piastre casting mold
ABNC trial prints
100 Dong 1991 variety?

(*) Special thanks to:
Alexander Basok ( http://www.rustypennies.com )

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