From the following website:
"Official gold medal (.750 gold, or, 18K) of the Jubilee 2000 Central Committee, the committee responsible for organizing and promoting the events of the Holy Year 2000. Obverse depicts the Jubilee 2000 logo of encircled doves at the center of a cross. Reverse is a depiction of Christ. Brilliant Uncirculated condition. Includes original case and certificate of guarantee. Actual Gold Weight (AGW) = .255 troy ounces."
http://www.vaticancoins.com/medal/144/Official_Jubilee_2000_Committee_Gold_Medal/
Since it's a medal and not a coin, it's probably worth only the value of the gold.