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50 Years of the First E-mail - Set

Set
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Set CTO
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First Day Cover
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First Day Cover block of 4
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Block of 4
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Block of 4 CTO
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Full sheets
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Technical details
  • 06.09.2021
  • Detlef Behr, Köln
  • Gutenberg AG, Schaan
  • Offset Black + Pantone 298 C
  • 2-colour
  • 33.334 x 33.334 mm
  • CHF 1.00
About 50 Years of the First E-mail

In 1971, Ray Tomlinson from the firm BBN was working with other members of staff to set up a data transmission system for the United States Department of Defence. Whilst doing so, he discovered a way of sending a file from one computer to a user on another computer. The recipient was able to read the file, save it, change it and send it back again.

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