1911 till 1934
springfield 410 shotgun #3131
take it to a museum
You may contact Ithaca arms and they will date your shotgun for you.
1981
serial #
Contact Mossberg customer service. If the shotgun does not have a serial number (not required until 1968) they will not be able to date it.
your shotgun was made in 1906
this is a 1969 light twenty shotgun auto5man
1983 mfg date.
1983
Around 1500 BCE, the exact date is unknown.
what is the manufactureing date a hero arms company for 12 guage shotgun serial number 781