Computer stamps - year 1968 - stamps on computer science

Postage stamps year 1968

ID# 528 click on stamp to zoom	Country Netherlands Date 16-Jan-1968 Issue 50th anniversary of the postal checking service Format SH Face v.0,20 Perf.14 x 13 Print.Photogravure Category
ID# 56	Country Australia Date 20-Mar-1968 Issue World weather watch Format SH Face v.0,20 Perf.13½ x 13½ Print.Photogravure Category
ID# 382	Country Tunisia Date 20-Mar-1968 Issue Introduction of electronic equipment for postal service Format SH Face v.40 Perf.13 x 13 Print.Engraving Category
ID# 381	Country Tunisia Date 20-Mar-1968 Issue Introduction of electronic equipment for postal service Format SH Face v.25 Perf.13 x 13 Print.Engraving Category
ID# 383	Country Tunisia Date 20-Mar-1968 Issue Introduction of electronic equipment for postal service Format SH Face v.60 Perf.13 x 13 Print.Engraving Category
ID# 57	Country Australia Date 06-Aug-1968 Issue Science Format SH Face v.0,05 Perf.13½ x 13½ Print.Photogravure Category
ID# 1311	Country Colombia Date 29-Oct-1968 Issue 1st data processing congress Format SH Face v.0.20 Perf.13½ x 14 Print.Lithography Category