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First videogame to appear on a postage stamp

First videogame to appear on a postage stamp
Who
Defender (Williams Electronics, 2000)
What
First
When
2000
In 2000, the USA postal service’s Celebrate the Century series included a 33-cent stamp showing two children playing the Atari 2600 version of Defender – “the hardest significant game there is”, according to Gamasutra. Featured in Guinness World Records Gamer''s Edition 2010