OBVERSE

⁣⁢The coin features the effigy of His Royal Highness Grand Duke Henri on the left, looking to the right. To the right of the design are the dates "1868-2018" as well as the mention "150 years." Below the effigy of the Grand Duke, are the text "Constitution of the Grand Duchy of Luxembourg" and a side view of an open book.⁤⁣

REVERSE

A map showing the fifteen united states of the European Union is depicted on a dynamic background composed of the twelve stars of the European Union.