United States dollar or ""bill"" (e.g. ""two bills"" being $200). The $50 note is occasionally called a ""yardstick"" or a ""grant"" (after President Ulysses S. Grant, pictured on the obverse). The $20 note is referred to as a ""double sawbuck"", ""Jackson"" (after Andrew Jackson), or "double eagle". The $10 note is referred to as a ""sawbuck"", ""ten-spot"" or ""Hamilton"" (after Alexander Hamilton). The $5 note as ""Lincoln"", ""fin"", ""fiver"" or ""five-spot"". The infrequently-used $2 note is sometimes called ""deuce"", ""Tom"", or ""Jefferson"" (after Thomas Jefferson). The $1 note as a ""single"" or ""buck"". The dollar has also been referred to as a ""bone""
Specimen banknote banknotes vary in scarcity; in the case of the United States and many other countries, specimen banknotes remain the property of the central bank and when shared with another entity, are supposed to be kept secure and returned on demand. Such specimen banknotes may make it to collector markets without authorization. In other cases, specimen banknotes are very widely distributed, and since they have no circulating value, may be worth less than circulating notes. Variants of specimen notes, as well as other non-legal-tender images of banknotes include: Specimen banknote A specimen banknote is printed generally in very limited quantities for