10th world telecommunications day
€0.20
Tax included
Issued on 26 July 1978
10 £. - Stylized San Marino Hills - Polychrome color - 113⁄4 p stamping - Rotocalco printing - Printed by Courvoisier - Sheets 50 - Size 30 × 40 (mm) - Stamping 750.000
SM01007N
Specific References
Issued on 26 July 1978