I'm all for the Iran idea...lol
Seriously, it's technically illegal to have them in your possesion...so I'm not sure what to do...maybe turn it in to authorities?
As far as the numbers go...not sure, they vary so much... here's a link to the base that makes them...I know there is a page somewhere with info on them http://www.ria.army.mil/sites/local/
I don't know really what you should do with it...how did you get it? That kind of simplifies or complicates the situation.