La Bougie Colin - Vintage Stone Lithograph for Colin Spark Plugs Behold the beauty of this vintage stone lithograph (original poster) advertising Colin spark plugs, complete with the tagline 'it sweeps up the engine.' Designed and printed by the talented artist Rouffe, this poster is a testament to the artistic flair of its era. Condition: This lithograph is in very good condition, though it does exhibit some discoloration due to its age. Year: Approximately c.1930 - This lithograph has gracefully stood the test of time for nearly a century, representing a valuable piece of both automotive and advertising history.