Dinosaur for sale

      |A huge dinosaur skeleton found in the U.S. four years ago is going on the auction block in England. The 55-foot-long skeleton nicknamed "Misty" stands 19-feet tall and is at least 150 million years old. British auctioneers say the specimen could be sold for a bid of at least $600,000. CBS News' Alphonso Van Marsh reports.

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