Available for auction is a metal Bosch Platinum Spark Plug sign. The sign measures 23 ½” in width and 9 ¾” tall and was manufactured by Donasco. The seller states the sign is in excellent condition with some minor scratches. The sign is crafted from high-quality materials, finished with the classic Bosch logo, and reads “The Ultimate Spark Plug”. This Bosch sign is a classic representation of the advertising style of the era and would make a great addition to any collection. The buyer is responsible for shipping, handling, and transactional fees.