The Wide AM is the correct reverse design for the 2000 S proofs. Wide AM on the business strikes is the sought design variety on 1998, 1999 and 2000 coins. There are CAM varieties for the proofs but not for your year. http://lincolncentresource.com/wideams.html
I don't see the doubling you are referring to. Can you get closer pictures of the suspect areas (scans)?
I don't see the doubling you are referring to. Can you get closer pictures of the suspect areas (scans)?























