Double whole note Double whole note In music, a double whole note (American), breve (international), or double note (; ) is a note lasting two times as long as a whole note (or "semibreve"). It is the second-longest note value still in use in modern music notation (; ). In medieval mensural notation, the "brevis" was one of the shortest note lengths in use —hence its name, which is the Latin etymon of "brief". In "perfect" rhythmic mode, the brevis was a third of a "longa", or in "imperfect" mode, half a "longa" . In modern notation, a breve is commonly represented in
Australian two-dollar note a gold-coloured coin in 1988, due to the longer service life and cost effectiveness of coins. These notes can still be redeemed at face value by the Reserve Bank of Australia and most commercial banks, but numismatics and note collectors may pay a higher price for these notes depending on age and condition. Australian two-dollar note The Australian two-dollar note was introduced in 1966 due to decimalisation, to replace the £1 note which had similar green colouration. The note was issued from its introduction in 1966 until its replacement by the two dollar coin in 1988. The paper design included