The Ithaca Model 37 shotgun was first introduced in 1937, and it has been produced in various gauges, including 16 gauge. The specific year of manufacture for a particular Model 37 can often be determined by its serial number, as Ithaca Arms Company used a specific dating system. If you have the serial number, you can look it up or consult resources dedicated to Ithaca Firearms to find the exact year of your shotgun.
1975
You need to provide the serial number.
Assuming you are referring to a Model 37 pump, it was made in 1959
By the serial #
The same year you shot your gradma you freak
1917 if it is a sxs double
1947
There's a list of serial numbers by year at http://ithacagunrepair.com/page5/page23/
1918 value depends on condition
500K sold between 61 and 78
10-10000 USD or more depending on specifics
There's a list of serial numbers by year at http://ithacagunrepair.com/page5/page23/