Study for "The Collectors" [Dorothy and Herbert Vogel]

Transparent and opaque watercolor and charcoal on heavy white wove paper

Graphite on thin off-white wove paper

Black and blue crayon on paper

Black ink and black crayon over graphite on off-white laid paper

Graphite on paper

Watercolor over black chalk on cream wove paper

Black colored pencil? on tan wove paper

Graphite on off-white wove paper

Graphite on off-white wove paper

Charcoal on blue laid paper

Black ink, charcoal, and watercolor on cream laid paper

Graphite on off-white wove paper