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issue information

125th Anniversary of Scientist Union

Czechoslovakia

06 Jul 1987


stamps in set 3

stamps in set about computers: 2 / 3
ID# 839
  • Format SH
  • Face v.50
  • Perf.11 x 12
  • Category computer graphics
ID# 840
  • Format SH
  • Face v.50
  • Perf.11 x 12
  • Category computer graphics
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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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