your model 1894 was made in 1976,as for the hand drawn numbers under the lever it could be that the previous owner put his ssn on the weapon in case it was ever stolen?
1957.
Winchester Rifles do not have letters in their serial numbers. The year of manufacture for serial number 45081 is 1941. Source: http://armscollectors.com/sn/winlookup.php
Unfortunately the serial number provided does not match the format used by Winchester to track the manufacture dates of their firearms. Due to privacy concerns and security reasons Winchester does not share any information about their firearms and their serial numbers which makes it impossible to determine the exact manufacture date of the Winchester Model 70 with the serial number G2239505.
Go to this web site for serial numbers and dates for Winchester arms: http://armscollectors.com/sn/winlookup.php?file=winxx52.dat
Your Winchester model 64 was produced from 1933-1957,and the serial numbers were listed among the model 1894 serial numbers.Your Winchester model 64 was made by Winchester in 1934.
Winchester did not record there serial numbers for the model 190 by year.I can say that the model 190 was made from 1974-1980.
The Blue Book of Gun Values or online at oldguns.net
Go to Proofhouse.com and look at the Winchester sn data. No Proofhouse does not give serial info on the Model 1200 only the dates of manufacture from 1964 to at least 1984
winchester did not keep records of the serial numbers by year of manufacture for the 200 series of rifles in which yours belongs.I can say that the model 290 was made from 1963-1976.
The best that I can do is say that all Winchester model ranger shotguns(of which yours is one) were made from 1983 onward.Most of these shotguns serial numbers were not kept in the records of Winchester as to the serial number and year of manufacture.
Winchester chose not to record the serial numbers of the model 190 by year of production.I can say that the model 190 was made from 1974-1980.Your rifle was made during this time span.
Proofhouse.com has Winchester serial numbers.