Here is a replica of a Knecht Porsche service sticker that attached to your door post to remind you when to change your oil. This sticker dates as far back as the early 1960's.
Sticker is approx 1.5 inches wide by by 3 inches high.
It adheres to the door post or drivers side door of your car. (This is NOT a window sticker IT IS A REGULAR STICKER).
Mileage or service notes can be added with a pen or Sharpie.