Obverse: represented by the Belgian King Leopold II bust, surrounded by the inscription "LEOPOLD II ROI DES BELGES" (eng. Leopold II King of the Belgians). Below the busters are the letters "LW" which are the initials of the coin engraver.
Reverse: coronated royal Belgian coat of arms - Lion on a round shield, royal wreath and crown, the inscription "L'UNION FAIT LA FORC" (eng. Unity is strength) is inscribed around it. The denomination 20 FR is at the bottom of the coin.