newbill-640x274Today the Federal Reserve introduced a redesigned $100 bill into circulation, more than two years later than originally planned. The banknote was delayed due to difficulties in producing its security features. Among the new security features: a 3D security ribbon and a color-shifting bell hidden in an inkwell on the front of the bill. has more info on the new $100 bill.

image via U.S. Currency, video via Associated Press