(n. pl.) A name given to three several issues of United States Treasury notes, made during the Civil War, in denominations of $50 and over, bearing interest at the rate of seven and three tenths (thirty hundredths) per cent annually. Within a few years they were all redeemed or funded.
SEVEN-THIRTIES
Meaning of SEVEN-THIRTIES in English
Webster's English dictionary. Английский словарь Webster. 2012