Copy after the Head of Ilaria del' Carretto, by Jacopo della Quercia (Lucca Cathedral)

Colored marker and blue pen on paper

Colored marker on paper

Colored marker and black ink on paper

Charcoal on cream laid paper

Black ink and wash and red crayon on cream wove paper

Colored crayon on paper

Graphite on paper

Black chalk and gray wash on off-white antique laid paper, framing line in black chalk

Graphite on paper

Black crayon on back of letter

Watercolor on off-white wove paper