Subject of the commemorative coin:
 Special 2 euro coin in honour of the great Italian physicist and astronomer Galileo Galilei (1561-1642).
 Description of the design:
 The inner part consists of a free interpretation of the allegorical painting “La fisica antica” or “The Study of the Planets” featuring Galileo Galilei. The year is shown below a globe on a work table. To the left of the image is the mint mark “R”. The engraver’s initials “LDS” are on the right. The words “SAN MARINO” form a semicircle above the image, while the words “ANNO MONDIALE DELLA FISICA” appear along the bottom of the inner part. The twelve stars of the European Union are depicted in the outer ring, separated by the outer edges of an image of a stylised atom, which is incorporated throughout the coin in the background.
 This coin was issued in the context of the UNESCO World Year of Physics.