Here is a link to a discussion on the Collectors Universe Forum about a 1853 half cent graded by PCGS as a Proof (Genuine - XF Details (92 - Cleaned)). http://forums.collectors.com/message...46&STARTPAGE=1
Here is a link to the PCGS Cert Verification page with pictures of the coin. http://www.pcgs.com/Cert/24222981.html
Take a look and let's hear your thoughts.