The term "greenback dates to the 1860s, and with a couple of notable exceptions (the Brown Backs and Gold Certificates. e.g.), the backs of our notes have been printed in green ink ever since.
In point of fact, the only US note that looks essentially like it did in 1928 is the $1 issue. The $20, $50 and $100 bills were substantially redesigned in 1996, the $10 similarly in 1999, and the $5 similarly in 2001.
In point of fact, the only US note that looks essentially like it did in 1928 is the $1 issue. The $20, $50 and $100 bills were substantially redesigned in 1996, the $10 similarly in 1999, and the $5 similarly in 2001.


















