The Macau 20 Patacas Banknote is part of the Bridge issues released by the National Overseas Bank (Banco Nacional Ultramarino) in 1999. The note has a color combination of purple, yellow, and green. Featured on its obverse is the former BNU headquarters building, a stylized bird, and the BNU seal. The reverse displays the BNU seal and the Macau skyline from 1980s including the Macau-Taipa Bridge and the Bay of Praia Grande. The note is 143 x 71.5 mm in size and is in uncirculated condition and has been TAP authenticated with a grade of 60-70.