Rare vintage Stephens Inks porcelain enamel advertising thermometer sign. Features bold “Stephens Inks” script branding at top and bottom, temperature scale from 0-140, and classic slogans such as “Blood Heat, ” “Summer Heat, ” and Freezing. Authentic old advertising display with charming patina, missing its original glass tube and back wooden mount. Type: Porcelain enamel thermometer advertising sign. Size: 60 x 12 inches approx. Single-sided enamel on metal. Graphics: Large black script “Stephens Inks, ” numeric temperature scale, and descriptive heat labels. Era: Mid 20th century vintage advertising. Condition: Glass tube missing, back wooden board missing, surface rust spots and enamel wear present (see photos). Collectible: Genuine antique enamel sign with attractive distressed look and strong display appeal.