Goofus glass is pressed glass which was decorated with cold, unfired paint in the early 20th century in America by several prominent glass factories. Because it was mass-produced and relatively cheap, it was given as a premium for buying things and awarded as prizes at fairs. It was the first carnival glass , preceding the iridized product known as carnival glass today. Articles produced included plates, bowls, vases, oil lamps, dresser sets, salt and pepper shakers and candle holders.
Many of the Goofus patterns feature flowers and fruit, among other motifs, raised out of the surrounding glass as seen in vases, powder boxes, and lamps. This type of raised pattern in the glass is often referenced as "blown out. Goofus glass found its way into homes very often as carnival prizes making it the original carnival glass. Some glass is even void of paint altogether. The earliest pieces of Goofus glass were reportedly undecorated.
New glass chimneys with molded patterns and designs were imported by an American lamp parts wholesaler. The new pieces were mouth blown in China. Several of the new chimneys are imitations of specific originals which vintage lamp makers sold under the name "chimney shades. The pattern of the new chimney shade in Fig. However, no comparably shaped full-size chimney shade in the Sweetheart pattern is known.