Reporoduce it, or create a graphic using all the design tools (Photoshop, Illustrator, maybe InDesign) and techniques used by the original illustrator or designer.
You may use different imagery of people, cars, animals etc. if you make them appear in the same visual style as the original.
You may use text from a previous project, like the Governor flyer. Use the same or similar fonts, in the same style, but you don't need to spend time typing the precise information.
3) Post it, plus a small photo of the original, here.
4) Describe the steps in your creative process. For instance,
1. Find picture of old Cadillac in [url removed, login to view]
2. Import into Illustrator & LiveTrace using 4 colors
3. Select Circus font, set text to path