[88] In 2010, during British prime minister David Cameron's first visit to Washington, President Barack Obama presented him with a signed two - colour lithograph by Ruscha, Column With Speed Lines (2003), chosen for its red, white and blue colours. (en.wikipedia.org)
Joan Mitchell, Flower I, 1981, from the «Bedford» series, colour lithograph printed from eight aluminium plates, crayon, tusche (National Gallery of Australia, Canberra. (painters-table.com)
1994 colour lithograph on paper 144 × 210 cm (56 3/4 × 82 5/8 in) Signed, numbered and dated «11/34 Joan Mitchell 1994» lower right. (phillips.com)