to replace the $2 bill, according to the Royal Canadian Mint. While perhaps not as valuable as some of the coins minted earlier, four examples of a 1996 “beaded” toonie are known to exist.

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

If you have a $2 bill burning a hole in your pocket, think twice before spending it at some store. The bill itself might be ...