Martin Birnbaum (1878-1970)

Graphite on off-white wove paper

Charcoal on blue laid paper

Graphite, black ink, and yellow chalk on off-white wove paper

Pen and ink on white wove paper

Graphite on ivory wove paper

Paper collage elements on black coated paper

Black ink on off-white card

Graphite on off-white wove paper

Black crayon with graphite and blue and green crayon on cream wove paper

Transparent and opaque watercolor, oil paint (?), colored pencil and graphite on paper board, mounted overall to blue-coated paper covered paper board

Black ink, gray wash over graphite on heavy cream wove paper

Black ink and gray wash on cream laid paper