1976
Your serial number indicates that your Marlin model 782 was made in the year 1977.
Your Marlin model 783 was made in the year 1971.
1978
You will need to add the serial number,to get the answer to your question.
Made in 1963
Your Marlin model 336CS(Carbine Sporter)was made in the year 1987.
Your serial number indicates that your model 782 rifle was made in the year 1981.
Subtract the first two numbers in the serial # (23) from 100 for the year it was made. Thus it is a 1977 year model.
$50-$250 depending upon condition.
Marlin switched from Ballard rifling to the newer micro-groove on their 81 DL model in 1954.
What is the value of a Marlin model 3220CL classic serial 3220CL48?
Your Marlin model 1893 rifle was made by marlin in 1894 with the serial number that you provided.