Vintage Dodo Designs Black Cat Cigarettes Enamel Sign. This sign is an Original Dodo Designs Porcelain Enamel Sign which is a reproduction of the Original Carreras Black Cat Cigarettes Sign. Please refer to photographs to ascertain condition. If you require any further information regarding this lot or would like additional photographs, please do not hesitate to ask. Please check out our other listings for other interesting collectibles and antiques.