Ken Wakefield may be able to help, but the chances of finding your particular airplane mentioned in some surviving record are fairly slim. It seems that the only records that were saved that anyone knows about thus far are for 9th Army in the ETO. The reason this happened for 9th Army is because the Artillery Air Officer for 9th Army, Col. Rob't Leich, for some reason took the daily unit diaries home with him at the end of the war when everybody else was canning them.
I'm afraid I don't know of anyone who has any type of record for the Med. Now Mine happened to be one of the ones from 9th Army, and I didn't know any better when I started looking 5 years ago. If somebody had told me then there wasn't a snowball's chance, I wouldn't have tracked Ken down and he wouldn't have so many grey hairs from dealing with so many idiot questions from me! (Don't bother him too much-we're hoping he'll finish his third book on L-birds soon!)
Good luck. I think that your best bet would be to find out which artillery units served there at the time and start leaving messages in reunion websites and the like to ask if anyone might remember your tail number. It's a long shot, but that's all we have left now.