In Numismatics
Television has had such an impact in today's life, that it has been the main motif for numerous collectors' coins and medals. One of the most recent ones is The 50 Years of Television commemorative coin minted on March 9, 2005 in Austria. The obverse of the coin shows a "test pattern", while the reverse shows several milestones in the history of television.
Read more about this topic: Test Card