Real or fake ? 1907 piastre french indochina

Last week I posted a chinese fatman dollar that I had and it was quickly decided by many that it was fake . I have one other coin I have doubts about.
This 1907-a piastre from french indochina . It can from an antique shop just like the phony fatman dollar but not the same place. This one weighs 26.9 grams and is the correct size but something about it bothers me.
It is the only one of these I have ever owned. Its only .1 gram underweight, its non magnetic and it has a proper ring to it
I'll hold back what bothers me about it till later to see if anyone else sees a problem in the same area without me prejudicing it.


Thanks in advance for your thoughts

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Edit to add..
Ignore me, Ill hide in the corner and cry.
Ok now that I read the OP, whats the reeding look like. Mine has very weak impressions that are slightly deeper to one side.
Olmanjon
http://bit.ly/bxi7py
the face of liberty is maybe a little blurry maybe its wear or a mushy strike.
The letters in the word piastre seem to be not on the same line I was trying to compare the other lettering to some french 5 francs but they cram more words in on this so maybe the letters are just closer together
The reeding is very strong its coarser than what you see on a morgan dollar.
1/2 Cents
U.S. Revenue Stamps
The flat grey color is a bit odd . Wwhen I got it it was stapled in a old 2x2. I have some other coins I was going to acetone , i'll toss it in with them. If it doesn't respond I have ez-est as a last resort
<< <i>The flat grey color is a bit odd . Wwhen I got it it was stapled in a old 2x2. I have some other coins I was going to acetone , i'll toss it in with them. If it doesn't respond I have ez-est as a last resort >>
Yeah, make sure you update us on the result 'cause I have a few counterfeits, though not as details as yours, but they have similar color.
I like the denticles too, so unless there is something funny about the reeding, I'd be fairly confident that this one isn't a companion of your fat man.