I’ve seen a lot of baritones that look like this one, but I’ve never seen a fretboard that long.
Lardy says that it was made by Guyatone in post war Japan.
This is what the site says,
“When they were doing the OEM work they produced instruments branded Antoria, Barclay, Broadway, Coronado, Crestwood, Delta, Futurama, Guyatone, Howard, Hi-Lo, Ibanez, Ideal, Imperial, Johnny Guitar, Kent, Kingston, Lafayette, Lake, Montclair, Omega, Orpheus, Prestige, Royalist, Saturn, Silhouette, Silvertone, Vernon, Winston, Zenta and probably produced Beeton, Bradford, Canora, Maxwell and Regent."