It was made in oil on masonite . Judith Beheading Holofernes is at Private collection of Kenneth C. Griffin. . This was made in 1598 . The dimensions are 57.0 cm by 56.2 cm and 162.3 inch by 69.9 inch . The artist of Judith Beheading Holofernes was John Everett Millais
John Everett Millais's painting was 162.3 cm by 69.9 cm in size