ive never heard of it being a hoax and i know there are alot of sites you can purchase these from. my local coins shop has a display of 4 of these and they have had them since early 2008 according to the owners.
heres a link to get a better veiw and you can clearly see the d that he talks about in the video.
http://www.amerocurrency.com/images/20coppersat.jpg
http://www.amerocurrency.com/support.html