curt hanshaw

need to find out info on an old franchi 12 gauge auto shotgun.has no model number vented barrell screw in choke tubes serial#a-16377 has a white bead front site only markings readl a luigi franchi brescia has some knicks in wood and some scratches on barrell some blueing loss he wants 250.00 for it just not firmilliar with these guns any info on this or advice on to buy or to pass it up.thanks.