I tracked down one wholesaler who kept calling me (to report) only to find out he was previously arrested for selling counterfeit iPhones.

The PM's responsibility to you is collect that rent, regardless of whether the initial payment was made with bad money (which could be a declined credit card, a bounced check, or even a counterfeit bill.)My suspicion is that the PM will not be able to provide these documents, and is hoping that you will just pay what they say you own them. 

They're designed to be difficult to counterfeit.

When you go out to eat do you let the waitress know that you have no intentions of paying the bill with counterfeit bills?

It is easy to counterfeit gold. gold plated tungsten has a density very, very similar to gold. go to alibaba.com and search for gold-plated tungsten.

If I suspect a counterfeiter resides in my unit, I should report it.

Cash check with a counterfeit pen is best of all.

Hey Steve, it sounds like you received a counterfeit book. 

Counterfeit company checks that won't clear so they can stay for free?

You stepped out of your house, turned to walk toward the municipality center, and when you got to the corner every week there was a stall selling sheets and blankets at cut prices but really quietly shilling unstamped illegal counterfeit cigarettes right outside the convenience store there.