Computer stamps - year 1978 - stamps on computer science

Postage stamps year 1978

ID# 1287	Country China (PRC) Date 25-Apr-1978 Issue Weather observations Format SH Face v.8 Perf.11 x 11½ Print.Photogravure Category
ID# 401 click on stamp to zoom	Country Venezuela Date 17-May-1978 Issue 10th World Telecommunications Day Format SH Face v.0,75 Perf.14 x 14 Print.Lithography Category
ID# 588 click on stamp to zoom	Country Romania Date 15-Aug-1978 Issue Industrial development Format SH Face v.55 Perf.13½ x 13½ Print.Photogravure Category
ID# 95	Country Bulgaria Date 03-Sep-1978 Issue Plovdiv fair Format SH Note Calculator Elka 55 Face v.2 Category
ID# 1246	Country Vietnam Date 25-Sep-1978 Issue World Telecommunications Day Format SH ST Face v.12 Perf.11 x 11 Category
ID# 363 click on stamp to zoom	Country Portugal Date 15-Dec-1978 Issue Work tools Format SH Face v.4 Perf.12½ x 12½ Print.Lithography Category