Rabe/Gianandrea,
Is it possible to identify this airplane through Individual Airplane Cards?
One Website
http://1stfighter.org/photos/Misc/P3...0Italians.html identifies the last four digits of the serial number as 2278.
A look at Joe Baugher's list indicates 43-2278 as a P-38G-13(Lo).
Otherwise,trawling the POW database seems the only way to identify this rare bird.