The Origin and Mystery of the Mona Lisa Portrait Subject

The subject of the painting is Lisa Delgia Condo, wife of a prominent cloth merchant in Florence./nDa Vinci starts the Mona Lisa painting in Florence but never finishes it, constantly tinkering with it until his death./nThe Mona Lisa was never displayed during Da Vinci's lifetime./nThere is a mystery surrounding why Da Vinci agreed to paint Lisa's portrait.