A masterpiece surprize

The picture of the painter called "Tamayo" was stolen in New York before 29 years.The picture was thrown away in the garbage place in New York city in 2003.Why would such a masterpiece be thrown away?Would the human being who stole a picture become fierce?And the masterpiece seems to be auctioned off this time.The expected amount of money is 100,000,000 yen how! ! ! !In the world, I do not understand what happens.