1960
The prefix letter W to your serial number identify,s the year of manufacture as 1963.
The year of manufacture for U2893 = 1960 (August)-1961. http://armscollectors.com/sn/marlinlookup.php
you need to find the serial number, then do a web. search for the gun maker, or others who have done the homework for you.
By the serial number.Please include any letter found ahead of the serial number also if it is present.
your marlin rifle was made in 1957.
With the serial number that you provided,your Marlin model golden 39A was produced in the year 1964.
1890
19031818
Your serial number indicates that your Marlin golden 39A was made in the year 1982.
With the serial number that you provided,your Marlin rifle was produced in the year 1979.
Your serial number indictes that your Marlin rifle was made by them in the year 1985.
With the serial number that you have provided,your Marlin rifle was made in the year 1996.