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XXI Youth Science and Technology Invention Contest issue of Macao

  • MO036.06.jpg
  • MO037.06.jpg
  • MO038.06.jpg
  • MO039.06.jpg
  • MO040.06.jpg


Sheets:

Colnect-1456-268-Science---Technology-Physics---chemistry.jpg
Colnect-1048-066-Science---Technology-Physics---chemistry.jpg 		Short desc: XXI Youth Science and Technology Invention Contest

Issuer: Macao
Date: 7/28/2006
Occasion: unset


Consists of 5 stamps: (See stamps as list)

1.50p
2.00p
2.50p
3.50p
10.00p


Record of changes




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