- New
![](https://www.ilfrancobollo.com/ilfra/9060-large_default/international-symposium-on-telecommunications.jpg)
07/05/1984
550 £. - Symbol of the International Symposium of Telecommunications - Color polychrome - Stamp Perforation 14 - Intaglio printing - Printed from IPS Workshop cards values - Sheets 50 - Size 24 × 40 (mm) - Mintage 4.000.000.
Specific References