Obverse: the central image of the coin is a stylised spiral, which at the left side of the coin begins with the inscription ‘POSTOJNSKA JAMA • 1213–2013 • SLOVENIJA’ and ends with two stylised speleothems. The outer ring of the coin 12 stars of the European Union.
Reverse: Ordinary 2 euro coin obverse image of the face value.
About the coin: The coin mentions the 800th anniversary of the visit to Postojna caves. Slovenia celebrated the 800th birthday 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.