Landscape with Mountains, n.d., Red chalk, highlighted with white chalk, on pink prepared paper, sheet: 9 5/16 x 12 11/16 in. (23.6 x 32.2 cm), Drawings, Antonio d'Enrico Tanzio (Tanzio da Varallo) (Italian, Riale d'Alagna 1575/80?1632/33 Novara), Th