15th anniversary of the Council of Chalcedon

60 £. - S. Leone meets Attila - Color blue - Stamp Perforation 14 × 13 ¼ l - Watermark crossed keys - Intaglio Print - Printed from IPS Workshop cards values ​​- 45 - Size 40 × 30 (mm) - Drawing C. Mezzana - Circulation 225,000