Etching and aquatint in black on wove paper, signed and titled in pencil, numbered 5/15; together with 20th Century School: Still Air, screenprint in black and silver on wove paper, signed, titled and inscribed 'Artist Proof' in pencil. Feather Fire 41 3/4 x 26 in. (sheet), 43 1/4 x 27 1/4 in. (frame); Still Air 15 3/4 x 12 in. (sight), 25 x 18 in. (mat), unframed. Condition: Feather Fire with the full sheet. Sheet slipping off top hinges. Otherwise apparently in good condition. Not examined out of frame. Still Air laid down and sandwiched in the mat. Light- and mat staining.