Envelope from R. Osborn to Jean & Sandra Davidson

Ink and casein (?) on white wove paper

Black ink on off-white wove paper

Colored crayons on paper

Graphite with red pastel on off-white modern laid paper

Black crayon on paper

Leather bound sketchbook

Charcoal on off-white laid paper

Graphite on buff wove paper

Graphite on paper

Black ink and black watercolor on tan wove paper

Watercolor over graphite on off-white board

Graphite on brown tracing paper