This article covers the gold and silver issues of the euro

Euro

The euro is the official currency of the eurozone: 17 of the 27 member states of the European Union. It is also the currency used by the Institutions of the European Union. The eurozone consists of Austria, Belgium, Cyprus, Estonia, Finland, France, Germany, Greece, Ireland, Italy, Luxembourg,...

 commemorative coin

Commemorative coin

Commemorative coins are coins that were issued to commemorate some particular event or issue. Most world commemorative coins were issued from the 1960s onward, although there are numerous examples of commemorative coins of earlier date. Such coins have a distinct design with reference to the...

s (collectors coins). It also includes some rare cases of bimetal

Bimetal

Bimetal refers to an object that is composed of two separate metals joined together. Instead of being a mixture of two or more metals, like alloys, bimetallic objects consist of layers of different metals...

 collector coins (Titanium

Titanium

Titanium is a chemical element with the symbol Ti and atomic number 22. It has a low density and is a strong, lustrous, corrosion-resistant transition metal with a silver color....

, Niobium

Niobium

Niobium or columbium , is a chemical element with the symbol Nb and atomic number 41. It's a soft, grey, ductile transition metal, which is often found in the pyrochlore mineral, the main commercial source for niobium, and columbite...

, etc.). See :€2 commemorative coins for circulating commemorative coins.
In the Eurozone

Eurozone

The eurozone , officially called the euro area, is an economic and monetary union of seventeen European Union member states that have adopted the euro as their common currency and sole legal tender...

, as a legacy of old national practice is the minting of silver and gold commemorative coins. Unlike normal issues, these coins are not legal tender

Legal tender

Legal tender is a medium of payment allowed by law or recognized by a legal system to be valid for meeting a financial obligation. Paper currency is a common form of legal tender in many countries....

 in all the Eurozone, but only in the country where the coin was issued.