The Belgian lion sitting with its paw overhanging a stele on which are engraved the inscriptions `BELGISCH GRONDWET - CONSTITUTION BELGE`. The inscriptions BELGIE - BELGIQUE - BELGIEN running along the edge of the coin. Under the lion, the value of the coin 121/2 euro and the punch `QP`.
On the upper right part of the coin, the portrait of Queen Mathilde facing right. On the left part of the coin, the monogram `M` overhung by a crown and the year 2015. On the lower part of the coin, the first name of the Queen.
