I was beginning to worry I'd been duped, but I just checked my tracking information again and my package is in Chicago! Its weird that my address never shows on the tracking info or that it doesn't show it getting scanned as it goes through customs. Maybe the cheap economy EMS shipping tracks the package less extensively? I don't know.

In any event, Chicago is only about a 3 hour drive away from me, so I imagine the package will be delivered to me today. Hang tight all interested onlookers, in only about 12 hours I should have the package and hopefully confirmation of OP's legitimacy.
Why does it say "international letter"? I couldn't imagine a miner fitting into an envelope. Unless I am reading it wrong?