Check the barrel and receiver. SN's were not required before 1968
Post a serial or call Remington.
Need the serial number to answer.
I also have a model 11 with serial number 17xxx. Remington told me it was produced in 1905 the first year they were made.
1912
1911
about 1989
1908
Early 1912
Manufactured 1909
1926
1911
$250.00