Just found this on the National Owners Club Facebook page, list of Guzzis in movies.
http://www.imcdb.org/vehicles_make-Moto+Guzzi.html
it doesn’t mention FreeBird, a dodgy biker movie filmed in Wales, a bit of a laugh, here a trailer. That includes an old T3 California
She certainly was. FKY233V I wonder if it’s still about out there!