2106, officialy a 575 GTC by Milantech Srl, Cusago (MI) and an IAA Frankfurt Show Car in Rosso Corsa/Nero LHD is rumoured to have started its life as a 550 GTC that was upgraded by the Factory to 575 specifications and humorously called "562.5 Maranello GTC". It is rumoured as well, that the car shall have received Serial Number 2200 with the upgrade.
The picture is available in our Picture Box:
http://www.f-register.com/community/picture-box