6th centenary of the birth of St. Catherine of Siena

5 £. - St. Catherine with the cross - Color blue and purple - Perforation stamp 14 b - Watermark wheel I - Printing rotogravure - Printed from IPS Workshop cards values - Sheets 50 - Size 24 × 40 (mm) - Drawing C. Mezzana - Circulation 1.500.000.