Check the two digits following the serial number. I know it works on some of them.
serial #
springfield 410 shotgun #3131
1983
1977
Which Model?
No serial number = no way to answer.
2006
your shotgun was made in 1906
this is a 1969 light twenty shotgun auto5man
1951
Provide a DETAILED description of ALL markings.
It was made in 1981.