From Rock to Pop, Hip Hop, Funk and more, The Middle Kingdom Ad's and Posters company comes through with a heap of nostalgia. Somehow, this collector was in the right place and the right time to amass a ton of rare promotional items. The collection includes poster ads from greats that range from L.L. Cool J and Janet Jackson, to Billy Joel, The Bar-Kays and Funkadelic. 

Check out a few gems from their extensive poster collection and explore their full catalog here on eBay. Their store includes a search bar where you can enter the name of your favorite artist or group and discover numerous posters.