Depending on the condition of the gun between $275.00-$110.00.
Springfield
http://www.gunnersden.com/index.htm.guns.html Use this site to cross reference the Sears number with the actual manufacturer and Model.
75-175
Price for fire arms Springfield model C 12 gauge shot gun?
The Springfield 20 gauge model 94-B is valued at between $75 and $100. It has a 32 inch barrel, and a 2 3/4 inch chamber.
If there is a serial number, it was made after 1969
$175-$225.
It is a Stevens Model 1929.
Best to ask a gunsmith for help.
If its in good condition: $50-$75
$100-$150 sales@countrygunsmith.net
$399.00 on gunbroker