![](https://www.philatelica.it/shop/6276-large_default/europe.jpg)
15/09/1956
25 £. - Written in building Europe and the flag of the pro-European movement - Color Green - Perforation 14 ¼ × 14 b stamp - Watermark stars II - Intaglio printing - Printed from IPS Workshop cards values - Sheets 50 - Size 24 × 40 (mm) - Drawing D. Gonzague - Circulation 50.000.000.
Specific References