If you own a presidential coin commemorating President Donald Trump, the first thing you need to know is that it's not a true ...

There are several coins on the market that can be worth hundreds or thousands of dollars if they meet certain ... To be sold for that amount, it must be an uncirculated coin.

An auction site called U.S. Currency Auctions estimates that uncirculated $2 bills from 1890 could sell for at least $4,500.