Before the Euro the Netherlands used the guilder. In Dutch that is "gulden".
zuider zee
The ducat was a gold coin used as a trade currency throughout Europe prior to World War I. The coin had a standard weight and purity of gold. Some countries (including Austria, Hungary, and the Netherlands) still issue ducat coins.(see the related link)
ANG is the abbreviation for the Netherlands Antilles Guilder, the former currency of the Netherlands Antilles.
The Netherlands
After the abolition of the Guilder, the new most valuable coin would be the 2 Euro coin
Deutschmark (the former currency of Germany) Drachma (formerly used in Greece) Ducat (a gold coin used prior to WWI)
No, but East-India or Oost-Indië (now Indonesia) was a former colony of The Netherlands.
0,50 euros
More information is needed. Guilders were most commonly used in the Netherlands before the euro was introduced, but other countries used them as well.
The Franc :D
No, only in your mind.
The peseta was used until the introduction of the Euro.