Assertion: united state dollar | /r/HasProperty | the greenback
Facets:
value: often
type: TEMPORAL
Source sentences:
text: The United States dollar, often referred to as the greenback, was created through the Coinage Act of 1792, which specified that a dollar of currency would be equal to between 371 and 416 grains of silver, and an "eagle" (US$10) at between 247 and 270 grains of gold.