MISSISSIPPI VALLEY ARMS CO was a tradename used by Shapleigh Hardware of St. Louis on shotguns made by Crescent Fire Arms Company, 1893-1930. A .410 would be unlikely to have been made by Crescent before WWI. 1903
No published sn data available.
No sn data. 10-100 USD or so
AFAIK, there is no published sn data on Crescent Arms.
No known published sn data
Your shotgun was made during the 1950,s.
The exact value of a Savage Arms Stevens model 77m shotgun is actually dependent upon a number of factors. Some of these factors would be the age and condition of the shotgun.
Contact springfield arms and ask them. They should be able to look it up and tell you.