Obverse

In the upper part, the front part of the body of a dolphin ; In the lower part, the vintage 2020, the name of the emitting country PORTUGAL and his coat of arms, with a silver shield with five azure crosses in the cross, bordered by gules charged with seven gold castles

Reverse

Four dolphins swimming on the right; On the right the legend "Golfinho-com”(In French“ common dolphin ”) and the facial value 5€ ; below, on the left, against the list, the signature of the artist engraver Pedro Salgado and the inscription Casa da Moeda