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issue information

American scientists

USA

06 Mar 2008

stamps in set 4

stamps in set about computers: 1 / 4
ID# 230
  • Format SH
  • Note John Bardeen, co-inventor of transistor
  • Face v.0,41
  • Info stamp image courtesy of jcura
  • Category transistor
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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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