2 euro Belgium 2021 - BLEU (BU coincard)

The Belgian €2 coin from 2021 was issued to mark the 100th anniversary of the establishment of the Belgium–Luxembourg Economic Union (BLEU). This agreement strengthened trade and monetary links between the two countries and became an example of successful regional cooperation in Europe. The issue commemorates a century of partnership that contributed to the economic growth and stability of both states.

The coin in BU quality is presented in an official commemorative card that protects it while visually highlighting the importance of the event.