Computer stamps - year 1974 - postage stamps on computer science

postage stamps year 1974

	ID#982 Country Albania Year 1974 Issue 30th Anniversary of 2nd Congress of Berat 6v Subject mainframe, punched card Tag punched card mainframe
	ID#527 Country Bulgaria Year 1974 Issue Communist party 5v Subject continuous computer paper Tag printer
	ID#1037 Country Costa Rica Year 1974 Issue 25th Anniversary of Costa Rican Electrical Institute 5v Subject control center Tag control center
	ID#526 Country Finland Year 1974 Issue Rationalisation 1v Subject printer characters Tag characters-other
	ID#216 Country Germany (East) Year 1974 Issue Leipzig spring fair 2v Subject mainframe Tag mainframe
	ID#754 Country Indonesia Year 1974 Issue National oil industry 8v Subject control center Tag control center