正面: Shows the sun in the center, with the lunar phases around it. The image of the sun is surrounded by three feathers, which symbolize the Republic of San Marino, and by the twelve astrological signs along the perimeter, country "REPUBBLICA DI SAN MARINO", engraver "A.MASINI" Annalisa Masini
背面: Shows in the middle a stylized image of the sign to which it is dedicated. The astrological sign of "ARIES" (Aries) is represented ten times along the perimeter of the coin, mintmark "R", with the year of minting "2018" at the top, and the face value, "5 / EURO", at the bottom.
