We need photos of the datecode, any manufacturer/importer marks, and complete photos of both sides of the revolver. Look everywhere on the revolver, to include the underside of the barrel, the gripframe, the wood grip panels on the underside, the frame under the wood, and the cylinder pin. If you find numbers on various parts that don't coincide with the serial number, those are assembly numbers for factory use in the assembly of the revolver to keep all relevant fitted parts together.
Insofar as I know, no one has a complete database of all C&B revolvers produced by the myriad of Northern Italian manufacturers from 1959 to ~2002 when Pietta, Uberti, and Pedersoli emerged as the only three manufacturers extant.
Regards,
Jim