Pen and ink on board
Ink on paper
Felt tip pen, watercolor and enamel with wood on paper
Ink and gouache on paper
Charcoal on paper
Gouache on paper
Ballpoint pen, graphite and crayon on paper
Ink and wash on paper
Graphite, gouache and ink on paper
Charcoal and chalk on paper
Pen and ink over casein
acrylic and ink on paper
Ink on rubber
Acrylic and felt tip marker on paper
Pencil, crayon, and felt pen
Graphite on paper