Florin
Begins with a d five letters?The ducat, or dukat, was widely used as a trade coin throughout Europe before World War I
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)
A bezant is a coin made of gold or silver, minted at Byzantium and used as currency throughout Europe.
Coin used in Europe and in other regions. 365 Maradevis were equivalent to 1 Castillian Gold Ducado in XVI Century.
A bezaunt is another term for a bezant - a coin made of gold or silver, minted at Byzantium and used as currency throughout Europe.
Gold plating a coin is legal but is considered an "altered" coin, and cannot be used or put into circulation.
A gold clad coin isn't pure gold; it's a core of a different metal covered with a thin layer of gold. The gold layer can vary in thickness. It's not as valuable as solid gold coins but still has a gold appearance.
The gold coin
It depends. An older gold coin is worth more as a coin if it is in mint condition. That means it looks perfect. It was never used. If it is worn or damaged, it might be worth more for its weight in gold.
Gold parity standard is the current system used instead of the international gold standard. This system was made in 1946 by the International Monetary Fund (IMF).
The gold standard was a period when countries used gold as currency. It cannot be said that it started in 1861. Britain followed this standard in 1821, and the US in 1879.
Gold coin used for European trade curency before Ist World War DUCAT