How old is a mossberg model 83B 410 shotgun?

Model 83B Bolt Action Repeater 3-Shot, Takedown, .410 bore only (2 1/2 & 3 inch), 3 shell fixed top loading magazine. Weight 5 1/2 lbs, barrel 24", full choke, with metal bead front and inverted leaf rear sights. Walnut finished pistol grip stock with finger flutes in fore-end, steel butt plate , chrome plated bolt lever & trigger, swivels. Made 1939-1940. , swivels. Made 1939-1940.