This is one gun in a series of guns made by Marlin for the Oklahoma Tire and Supply Company (OTASCO). This particular gun was made in 1983. The serial number should have a "TL" prefix. The gun itself is a Marlin Glenfield Model 30A.
I hope this helps.
Due to the increasing cost of ammunition, there be no warning shot!
The growing federal deficit = generational slavery to the national debt.