350th anniversary of the death of Pope Alexander VII and Francesco Borromini

1 € - Francesco Borromini and church of S. Ivo alla Sapienza - Polychrome color - Perforation stamps 13¾ b - Offset printing - Printed by Printex, Malta - Sheets of 10 - Dimension 41 × 31 (mm) - Drawing by M. Ventura - Number 150.000 copies.