Greenback

• Greenback (1860s money), a fiat currency issued during the American Civil War
• United States Note, paper money issued from 1862 to 1971
• Greenback, a nickname used for the United States dollar in the financial press in other countries

• Greenback cutthroat trout (Oncorhynchus clarki stomias), the easternmost subspecies of cutthroat trout in the US
• Greenback flounder (Rhombosolea tapirina), a species of flounder found in Australasian waters
• Greenback horse mackerel (Trachurus declivis), a species of jack found in Australasian waters
• Greenback stingaree (Urolophus viridis), a stingray found in SE Australian waters

• "Greenbacks", a 1955 song by Ray Charles
• "Greenbacks" (Once Upon a Time), an episode of the seventh season of Once Upon a Time

• Baron Silas Greenback, a fictional villainous toad in Danger Mouse (TV series)
• Greenback, Tennessee, a city in the United States
• Greenback Party, an American political party active between 1874 and 1884 which advocated non-gold-backed government currency

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