The name givent to the double Gros of Utrecht issued in 1477 by David de Bourgogne, Bishop of Utrect. See Frey (No. 182).
A gold Florin issued by the same ruler with a figure of David and his harp, is commonly known as the Davidsharp, or Harpe d'or.
Source: Frey's Dictionary (American Journal of Numismatics, Vol. 50, 1916)