children's movie. here's abc's nick watt. >> reporter: stuart little is a masterpiece of family entertainment. and that above the fireplace between geena davis and hugh lorie turns out it's a long lost masterpiece last seen in 1928 spotted one promise by a hungarian art historian who was watching stuart little with his daughter. >> i went to the television and tried to clean the screen. is it real? >> reporter: it is. that historian tracked it down to an assistant set designer. the long lost work of hungarian avant-garde painter robert bereny. miracles do happen. this was stuffed behind the couch in buffalo for years. a michelangelo worth $300 million. this doodle picked up at a yard sale for 5 bucks is a warhol. what about this chinese bowl i bought for $3.50. >> certainly before 1872. >> it's old.