My best guess is somewhere between 1970 and1975 Model 88s were made for 20 years between 1955 and 1975, but the A serial numbers were introduced in 1970 and the maple leaf pattern indicates post 1964 production.
Proofhouse.com has Winchester serial numbers.
serial no.3223584m.Your serial number indicates that your Winchester rifle was made in the year 1969.
How old is the Model 94 Winchester 3030 serial 4554129?
Proofhouse.com has serial number tables for Winchester.
You will need to provide the model of Winchester you are asking about,along with the serial number in order to age your Winchester and give you a year of production.
If you are asking when it was produced?Then your Winchester model 61 was made by Winchester in 1953,with the serial number that you provided.
With the serial number that you provided your winchester model 1897 shotgun was made by winchester in 1913.
With the serial number that you provided your winchester model 1894 rifle was made by winchester in 1936.
Your winchester model 1894 rifle was made by winchester in 1973 with the serial number that you provided.
Your winchester model 9422 was made by winchester in 1975 with the serial number that you provided.
With the serial number that you provided,your winchester model 1894 rifle was made by winchester in 1913.
With the serial number that you provided,your winchester model 70 rifle was made by winchester in 1970.