Blue ball point pen diagrams on yellow lined paper

Charcoal on faded blue laid paper

Black ink on heavy brown wove paper

Graphite and black chalk on off-white wove paper

Graphite on cream wove paper

Graphite on off-white wove paper

Crayon on paper

Ink on paper

Oil on off-white wove paper

Graphite on off-white laid paper

Graphite on heavy white wove paper

Graphite on off-white wove paper

Graphite on off-white wove paper