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With the serial number that you have supplied,your Marlin(Glenfield) rifle was made in the year 1980.
Around $400.
Sounds as if you are confusing the serial number with the model number.There is no model number 39128.Please include the model number,breif description of your marlin overall condition and the chambering,and we will get you a value.
the year is 1977
-$4
10-150 USD or so
1977 Worth depends on condition---$100-400
1978
The letter H before the serial number dates your Marlin model 336RC(regular carbine) to the year 1951.The value of your marlin will be between 200-350 dollars,depending on overall condition and a good bore.
The letter W ahead of the serial number indicates that your Marlin model 39A was made in the year 1963.As to the value,that cannot be determined without a much more detailed description of the rifles overall condition and original finish remaining.
Around $350, depending on condition.
Most marlin model 336 rifles are selling for between 275-350 dollars depending on overall condition and a good bore.