Diego Rivera (Mexican 1886-1957)

Diego Rivera (Mexican 1886-1957) a.) Untitled signed 'Diego Rivera' (lower right) colored pencil on paper 10 5/8 x 8 3/8 in. (27 x 21.3 cm.) b.) Untitled signed and dated 'D. Rivera. 26' (lower right) inscribed with dedication by Walter Pach 'For Nikifora, 1955, Walter Pach' (lower right) watercolor on paper laid on cardboard 24½ x 18 7/8 in. (62.2 x 48 cm.) Executed in 1926. c.) Retrato de Lupe Marín signed 'D. Rivera' (lower right) inscribed with dedication by Walter Pach 'For Nikifora, Walter Pach 259' (lower right) watercolor and charcoal on brown paper laid on paper 22 x 18 5/8 in. (55.8 x 47.3 cm.) Executed in 1926. Three in one lot. (3)