Christie's auctioned off an APPLE-1Personal Computer (pictured above) for $390,000 on Tuesday.
Christie's auctioned off an APPLE-1Personal Computer (pictured above) for $390,000 on Tuesday. - 
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Christie's auctioned off a Apple 1 computer -- one of the world's first Apple computers -- for $390,000 today. Not bad for a clunky old keyboard and vintage chips attacched to a piece of wood.

Why was the price so high?

Dag Spicer, senior curator at the Computer History Museum in Mountain View, California, joins Marketplace Tech host Ben Johnson to explain.

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