Go to
www.shotgunworld.com in the forum's look for Franchi. There you can find the year of mfg. The date of mfg. is not dependent on serialnumber. But rather a two letter code staped on the reciever. You will find the date code (two letters) stamped by the serial number in front of the loading port on the reciever. Mine is stamped BA, year of mfg. 1991.