What is the age of a lucchini shotgun hammer action SHOTGUN serial number 16375?

The best way to find the age of a Sandro Lucchini shotgun is to contact them directly.They are located at Sarezzo(Bresica) Italy.You may contact the factory at Armi Italia di Lucchini Sandro,via Petrarca 47,I-25068,Sarezzo,Bresica,Italy.The Fax No:is 011-39-030-89-11573.