One of the Plagues of Egypt

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

Brown ink, with some smudges of red chalk on antique laid paper; verso: brown ink

Red chalk on cream antique laid paper, laid down overall to cream wove card

Brown ink and wash squared in black chalk on cream antique laid paper with red chalk offset lower center; verso: faint black chalk sketch

Brown ink and brown wash on off-white antique laid paper; verso: brown ink

Black and red chalk and gray wash on cream antique laid paper; verso: black chalk and graphite, attached to cream antique laid decorative mount

Black chalk on off-white antique laid paper

Brown ink and brown wash on brown antique laid paper

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

Brown ink on tan antique laid paper, folded and pricked all over

Black chalk on gray-brown antique laid paper; verso: black chalk

Brown ink on buff antique laid paper