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 Category
ID# 401 click to zoom	Country Venezuela Date 17-May-1978 Issue 10th World Telecommunications Day Format SH Category
ID# 588 click to zoom	Country Romania Date 15-Aug-1978 Issue Industrial development Format SH Category
ID# 95	Country Bulgaria Date 03-Sep-1978 Issue Plovdiv fair Format SH Note Calculator Elka 55 Category
ID# 1246	Country Vietnam Date 25-Sep-1978 Issue World Telecommunications Day Format SH ST Category
ID# 363 click to zoom	Country Portugal Date 15-Dec-1978 Issue Work tools Format SH Category