MONACO stamps - collecting postage stamps on computer science

MONACO postage stamps

ID# 661	Country Monaco Date 26-Apr-1991 Issue Europa CEPT Format SH SS Face v.3,20 Category
ID# 662	Country Monaco Date 26-Apr-1991 Issue Europa CEPT Format SH SS Face v.2,30 Category
ID# 663	Country Monaco Date 26-Apr-1991 Issue 25th international contemporary art competition Format SH Face v.4 Perf.12½ x 13 Print.Engraving Category
ID# 659 click on stamp to zoom	Country Monaco Date 21-Apr-1988 Issue Europa CEPT Format SH SS Face v.2,20 Perf.12½ x 13 Category
ID# 660 click on stamp to zoom	Country Monaco Date 21-Apr-1988 Issue Europa CEPT Format SH SS Face v.3,60 Perf.12½ x 13 Category
ID# 658 click on stamp to zoom	Country Monaco Date 13-Nov-1987 Issue Electronics industry Format SH Face v.2,50 Category
ID# 657 click on stamp to zoom	Country Monaco Date 27-Apr-1983 Issue World Communications Year Format SH Face v.4 Category