Here is an interesting listing. Might be cool to have in your room. I do not remember seeing one of these. This one looks to be in pretty good condition. Not sure if it is collectible but it does look pretty cool
http://www.ebay.com/itm/Rare-1930-P...wheel-Y-/301962897241?&_trksid=p2056016.l4276
http://www.ebay.com/itm/Rare-1930-P...wheel-Y-/301962897241?&_trksid=p2056016.l4276