San Marino, The 500th anniversary of the death of Luca Signorelli. The design shows an angel in the centre, a detail from the painting ‘Il Paradiso’ by Luca Signorelli, preserved in the Chapel of San Brizio in the Cathedral of Orvieto. At the left-hand side is the letter R, identifying the Mint of Rome. In semi-circle at the bottom left is the word ‘SIGNORELLI’. At the right-hand side is the name of the issuing country ‘SAN MARINO’, and at the top the years ‘1523 2023’. In the lower centre are the initials of the author Marta Bonifacio, MB.