• Obverse

On the obverse, the Cesta Tower; in the left field, the mint mark R of the Rome Mint; at the top right, the year 2021; name of the issuing country SAN MARINO (in French SAINT-MARIN) on the left; on the crown, twelve five-pointed stars pointing upwards.

• Reverse 

Map of the European Union on the right part of the obverse and extending onto the crown, between two series of six parallel vertical lines, each marked with a star; on the right, on the crown, the signature LL of engraver Luc Luycx in monogram. Legend: to the left of the map 1 and on the map itself EURO (the fourth letter on the crown).