Rose HARTMAN (Born 1937) KEITH HARING & ARMAN. By Rose Hartman. Christie's auction house preview. 1992. Digital print from a negative on Exhibition Fiber Base Paper. Signed by Rose Hartman. Edition 1/20. Sheet size: 56 x 43 cm (22' x 17'). New School meets Old School: this shot illustrates the fact that the contrasting styles of these two titans of the art world were not confined to their art work.