Most probable version of the origin of this prototype is that is was
created from the 0523GT, a 250 GT Boano coupe. Nickname of this
prototype was 'Papero' (means fool).
After a series of tests further history of the car is not certain. There
is a possibility that the car was used for the first real GTO, the
3223GT. That car was said to be build in 1961 but delivered in 1962 so
there was enough room to remake the car.