I checked here first:
http://mb-db.co.uk/showcar.php?num=113

but, how come I have plastic and metal base varies?

http://racegrooves.com/hb/fea/_img/MB/PoliceLaunch01upright.jpg

http://racegrooves.com/hb/fea/_img/MB/PoliceLaunch02MetalBaseCompare.jpg