Cardinal Antonio Barberini on Horseback

Red chalk on cream antique laid paper, laid down on verso of counterproof

Red chalk on tan antique laid paper

Brown ink on cream antique laid paper

Brown ink and gray wash over black chalk on off-white antique laid paper

Red chalk on off-white antique laid paper

Brown wash on white antique laid paper

Brown ink over graphite on white antique laid paper

Black chalk and brown wash on cream antique laid paper

Red chalk, heightened with white chalk, on tan antique laid paper

Brown ink on off-white antique laid paper

Brown ink and red chalk on tan antique laid paper; verso: red chalk

Brown ink over black chalk on cream antique laid paper