I use Hagerty Insurance and got this link from their newsletter. Interesting series of photos taken in Cuba. Someone with a large stock of hubcaps might be able to shed some inventory there ....
http://www.flickr.com/photos/hagertyknowsclassics/sets/72157628501755507/
http://www.flickr.com/photos/hagertyknowsclassics/sets/72157628501755507/