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issue information

1st data processing congress

Colombia

29 Oct 1968


stamps in set 1

stamps in set about computers: 1 / 1
ID# 1311
  • Format SH
  • Face v.0.20
  • Perf.13½ x 14
  • Print.Lithography
  • Category calculator
Guestbook
Resources
Downloads
Credits
social
facebook Facebook Page
Formats abbreviations

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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