How old is the 410 victor ejector crescent fire arms co shotgun with genuine armory steel and serial number 635570 is or has it been modified or changed?

It was never documented when Crescent Firearms made these single shot .410 gauge shotguns.It should be noted that these shotguns were made with a 12in.barrel.Under today,s laws these short barreled single shot shotguns are considered illegal if they were not registered with BATFE and be subject to seizure.