On Feb 14, 8:16*pm, Peter wrote:
On their web site, they say, "GEC does not guarantee the grade and
authenticity of the coins it certifies and encapsulates in an GEC
holder."

Not exactly. There are -two- statements on their website.

We do guarantee the coin to be authentic and will stand by the
authentication of the coin to be minted by the mint represented in the
offering. However, that guarantee is a limited guarantee.
http://www.gecgrading.com/Aword.html

GEC does not guarantee the grade and authenticity of the coins it
certifies and encapsulates in an GEC holder
http://www.gecgrading.com/Terms.htm

Mike M.
Michael E. Marotta
"Identity means Non-contradiction"