They bought the cakes and paid for them in greenbacks, which were the first new money they had at Oakland.
"Two Little Confederates"
Thomas Nelson Page
For with no law to shield me, and with no "greenbacks" to defend myself with, what could I have done to escape another imprisonment, either in some asylum or poorhouse?
"Marital Power Exemplified in Mrs. Packard's Trial, and Self-Defence from the Charge of Insanity"
Elizabeth Parsons Ware Packard
Almost every other man has an office now-a-days, and them that ain't got office are interested in greenbacks.
"Letters of Major Jack Downing, of the Downingville Militia"
Seba Smith