VIETNAM stamps - collecting postage stamps on computer science

VIETNAM postage stamps

	ID#659 Country Vietnam Year 2004 Issue World summit on information society 2003-2005 1v Subject binary code Tag binary code
	ID#976 Country Vietnam Year 2002 Issue Program implementation of 9th Communist Party congress 1v Subject keyboard Tag keyboard
	ID#977 Country Vietnam Year 2002 Issue 55th anniversary Telecommunications trade union 1v Subject terminal Tag terminal
	ID#975 Country Vietnam Year 2000 Issue 55th anniversary Post and Telegraph 1v Subject personal computer Tag PC
	ID#628 Country Vietnam Year 1991 Issue Posts and telecommunications 1v s/s Subject terminals, lan Tag terminal network
	ID#974 Country Vietnam Year 1986 Issue 50th anniversary Post and Telecommunications Union 1v Subject personal computer Tag PC