Do you have the pump shotgun or the lever-action rifle?
Glenfield Model 30A, caliber is .30/30. Value is $125-$200 depending on condition. sales@countrygunsmith.net
Marlin Glenfield. http://www.marlinfirearms.com/About/History.aspx Marlin Glenfield http://www.marlinfirearms.com/About/History.aspx
With the serial number that you have provided,your Glenfield model 30A was made in the year 1977.
1967
your glenfield was made in 1968.
AB=1966.
1967
The 2 letter prefix of AB to your serial number indicate that your Marlin-Glenfield model 30 rifle was made in the year 1966.
Right below the hammer.
1978
I know that the J C Penny company sold the glenfield model 30A.The otasco company also sold this model.
1968