== == Being this is the first model lever action Marlin ever made and serial 1 would be a rather prized piece for a collector. However even with it being serial 1 condition is still a significant factor in determining it's value and no information about that is given.
http://wiki.answers.com/wiki.phtml?title=I_have_an_1891_marlin_tackdown_22_SN-56656_VGC_shoots_VG_what_can_you_tell_me_about_the_history_value_ect_TNX_joe&action=edit§ion=new
This Marlin 39A Mountie .22 Caliber Lever-action rifle with serial number R5077 was manufactured between 1957-1958.
The value of a .22 caliber bolt action Marlin Model 20 rifle with a serial number 71377074 is between $100 and $400. The actual value varies greatly based on its overall condition and the potential buyer.
53 years old.
The "U" prefix on the serial number means it was made in 1961.
Early firearms in .22 caliber were not required to have a serial number. Your Marlin 81 falls into this time frame.
It looks to be manufactured in 1973 from the first two digits of the serial number cited. Their .22 caliber bolt action & semi-autos were not serial numbered prior to 1969.
I have Marlin Model 336RC lever action I inherieted recently... Serial number I found was under the lever.
Many .22 caliber rifles made before 1968 did not have serial numbers. This would include your Marlin 100.
1975.
1980
Somewhere on the frame.
Your marlin 336sc(standard carbine) was made by the marlin firearms company in 1950.