http://cgi.ebay.de/ws/eBayISAPI.dll?...tem=6177819789
It 's a FIAT RS.14 of the 148a Squadriglia RM, based at Vigna di Valle.
The overwing "fasci" are deleted, so the picture had been taken after
25 july 1943 and, probably, after the armistice of the 8 september 1943.
Gianandrea Bussi