Working lighted glass sign for Mall portable power tools. The sign originally said”Headquarters for Mall Portable Power Tools” The sign measures 5″ x 9.5″ x 11.5″ and the back of the sign is metal with a glass front and a clear plastic frame around the glass. The sign is stamped on the back “built by Lackner Cin. Ohio.” The sign has the original cord. If you collect old tools or lighted signs this is a great investment piece.