Want this question answered?
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
1947
1917 if it is a sxs double
There's a list of serial numbers by year at http://ithacagunrepair.com/page5/page23/
10-10000 USD or more depending on specifics
500K sold between 61 and 78
1918 value depends on condition
There's a list of serial numbers by year at http://ithacagunrepair.com/page5/page23/