Europe - 13th Issue

90 £. - Key with letters CEPT - Color blue and brown - Perforation stamp 14 × 13 ¼ p - Watermark stars IV - Intaglio printing - Printed from IPS Workshop cards values ​​- Sheets 50 - Size 40 × 30 (mm) - Drawing H. Schwarzenbach - Circulation 12.000.000.