Glenfield,which was made by Marlin Firearms Company made a bolt action .410ga shotgun from 1956-1965.This was the marlin model 59 which is the same shotgun as your Glenfield model 60.
Bolt Action 12 gauge mod 50.You can get one in geat condition for about $80 to $100.
Look up the Marlin shotgun with the same model number.
Try these sources: Numerich gunpartscorp.comJack First jackfirstgun.comBob's Gun Shop gun-parts.com
A utility bolt action 12 gauge will bring from $50 to $125, depending on condition, at most auctions.
It has value as a shooter only - not a collector piece. $100-$200.
THIS Glenfield MOD 50 BOLT ACTION SHOTGUN WAS MANUFACTURED 1966-1972. I HAVE ONE AND ALSO CANNOT LOCATE THE SERIAL NUMBER.
it's a 12 gauge shotgun that with pump action feed.
Model 58 is an automatic not a bolt action
Winchester made a Model 1887 lever-action shotgun from 1887 - 1899. Norinco currently makes a reproduction of the Model 1887.
its a gun.Your Marlin model 778 shotgun is a slide action shotgun chambered in 12ga.Magnum.It was available in barrel length,s from 20in.to 38inches.It weights 7 3/4lbs. and was discontinued in the year 1984.Yours was made by Marlin sometime between 1969-1984.