GUINEA-BISSAU stamps - collecting postage stamps on computer science

GUINEA-BISSAU postage stamps

ID# 1396	Country Guinea-Bissau Date 01-Jan-2009 Issue New Technologies Format SH SS Note Tim Berners-Lee, father of the internet Face v.300 Category
ID# 1397	Country Guinea-Bissau Date 01-Jan-2009 Issue New Technologies Format SH SS Note Bill Gates, owner of Microsoft Face v.300 Category
ID# 1398	Country Guinea-Bissau Date 01-Jan-2009 Issue New Technologies Format SH SS Note Steve Jobs, owner of Apple Face v.400 Category
ID# 1399	Country Guinea-Bissau Date 01-Jan-2009 Issue New Technologies Format SH SS Note Larry Page and Sergey Brin, founders of Google Face v.400 Category
ID# 1400	Country Guinea-Bissau Date 01-Jan-2009 Issue Communications Format SH SS Note Konrad Zuse, computer pioneer Face v.600 Category