Has anyone ever submitted a PCGS coin to a third world TPG?

With so many third world grading companies GROSSLY overgrading coins, has anyone ever cracked out a high grade PCGS coin and submitted to one of these fly-by-night TPG's just to see what sort of high grade comedy comes back?
For instance, if ABC grading company slabs an AU58 coin as MS66, what happens if a genuine MS67 coin were submitted? Do they bodybag it as TOO perfect? Do they grade it as MS100? Do they claim to have never received the coin and then skip the country?
Anyone?
Buyer and seller of vintage coin boards!

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President, Racine Numismatic Society 2013-2014; Variety Resource Dimes; See 6/8/12 CDN for my article on Winged Liberty Dimes; Ebay
I wouldn't, though, as I wouldn't want to pay any fees nor risk their handling of a nice coin.
If their grades are so far off you don't trust them, do you trust them with your coins?
I've been told I tolerate fools poorly...that may explain things if I have a problem with you. Current ebay items - Nothing at the moment
<< <i>If their grades are so far off you don't trust them, do you trust them with your coins? >>
Thus my question.