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
about 1989
1911
1908
$250.00
1911
1911
1926
1913