The Official Euro Coin Set BU 2013 of Slovenia contains 10 coins BU in original folder. The coin set includs all the euro coin denominations with a Slovenian national obverse, the 3 Euro bimetal collector coin issued to mark 300th anniversary of the Great Tolmin Peasant Uprising, and the 2 Euro commemorative coin issued to mark the 800th anniversary of visiting the Postojna Cave.
This year Slovenia will celebrate the 800th anniversary of the discovery of the Postojna caves, also known as the Adelberg Cave. The caves of Postojna are a system of limestone caves, existing in three levels.
The central image of the coin is a stylised spiral, which at the left side of the coin begins with inscription ‘POSTOJNSKA JAMA • 1213–2013 • SLOVENIJA’ and ends with two stylised speleothems. Number of coins to be issued: 1 million.