Mario Grixoni ( - ) is a painter. Mario Grixoni s works have been auctioned off multiple times, with realized prices varying according to the size and medium of the artwork, for instance of 477 USD for PORTRAIT OF A MOTHER AND CHILD, PROBABLY LADY MARY FRANCES BOWES-LYON, WIFE OF SIDNEY, 16TH LORD ELPHINSTONE, AND HER DAUGHTER, in 2006