[video=youtube;_ngDiWK8IO8]http://www.youtube.com/watch?v=_ngDiWK8IO8&feature=results_video&playnext=1&list=PLFF6DA1677D3FDBC5[/video]
Several are fakes; one is badly tooled. Use this video as a 'quiz' to spot the good and the bad. Hint: Buy coins from a trusted source who knows coins.