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issue information

21st China adolescents invention contest

China (Macao)

28 Jul 2006

stamps in set 5

stamps in set about computers: 1 / 5
ID# 193
  • Format SH
  • Face v.3,50
  • Perf.14 x 14
  • Category binary code mouse
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SH sheet

SS souvenir sheet

MS mini sheet

ST se-tenant

TB tete beche

BK booklet

FDC first day cover

CL coil

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