19x24" bw proof sheet for the classic Adco-Liberty Mfg. Corp. metal lunchbox ©1954 National Comics Publications, Inc. Sheet features striking art for both front and back of lunchbox, showing Superman fighting giant robot on front and classic Superman images of him rescuing a plane and Lois Lane as well as breaking chains on back. Looks great in bw. Proof has printer's centering/production marks around images as this proof was directly involved in the production of this classic lunchbox. Sheet has scattered aging and heavy rippling as if once rolled. Three staple holes along left margin. Main art areas remain clean and still display Exc. Any and all proofs, documents, etc. for Adco-Liberty are extremely rare. Amazing piece to frame for one of the most classic and desirable of all character lunchboxes. A must have for both Superman and lunchbox collectors.