COLOMBIA stamps - collecting postage stamps on computer science

COLOMBIA postage stamps

ID# 1169	Country Colombia Date 29-Oct-2008 Issue 85th anniversary communications Format SH Face v.1500 Category
ID# 1170	Country Colombia Date 29-Oct-2008 Issue 85th anniversary communications Format SH Face v.1500 Category
ID# 744	Country Colombia Date 09-Oct-2000 Issue Dialogue among civilizations Format SH Note keyboard Face v.650 Perf.14 x 14 Category
ID# 743	Country Colombia Date 17-Jul-1986 Issue Music Bach Format SH Face v.70 Perf.13 x 13 Category
ID# 742	Country Colombia Date 20-Dec-1973 Issue 50th anniversary of Comptroller-general's office Format SH Face v.0,80 Perf.14 x 13½ Print.Lithography 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