Rare vintage National Ekco porcelain enamel sign featuring the “Authorised Dealer” design. The sign displays the bold red NE logo against a yellow circle with blue outer border. A striking mid-20th century advertising collectible, perfect for enamel sign enthusiasts, dealers of vintage advertising boards, and collectors of electrical history memorabilia. Original vintage porcelain enamel sign. National-Ekco “Authorised Dealer” advertising board. Colors: yellow, red, blue, and white lettering. Era: Mid 20th century c. Displays rust patches, enamel chips, and age wear at edges. Highly collectible vintage advertising sign for display or collection.