your marlin model 90 was made between 1937-1948.starting in 1949 there would have been a letter prefix to the serial number.
Your serial number indicates that your Marlin mod 60 rifle was made in the year 1978.
Your marlin 1893 was made in 1899.
1903
1971
made in 1982
1990.
A serial number would be required to identify the year of manufacture of your Marlin model 60.
I have a mod. 336 30/30 that confirmed serial through Marlin Firearms. The serial located on tang directly under hammer.
The Marlin Model 36 A-DL with serial number D10128 was likely manufactured in the late 1940s to early 1950s, as Marlin introduced this model in 1947 and stopped production in 1960. For the exact year, a detailed historical search or contacting Marlin directly may be necessary.
There were approximately 250,000 model 94's manufactured between 1894 and 1935. With a serial number of 21 million, your's wasn't one of them.
Please include the serial number in your question to get the right answer.
mod 97 ser 339974