Koggerdaalder Publique Deposited
A silver coin issued in the Province of Friesland from the be- ginning of the seventeenth century to about the year 1690.
The fixed value was thirty Stuivers, but on special occasions some issues were made in gold of which the ordinary type was equivalent to about ten Ducats, and the multiples in proportion.
A gold treble Koggerdaalder of 1601 was executed by the mintmaster William van Vierssen and probably struck for the Diet held in that year.
A double Koggerdaalder, also in gold, was struck in the same year probably for presentation to the Stadtholder.
- Frey's Dictionary (American Journal of Numismatics, Vol. 50, 1916)