Made 1919
1925, it will be date code stamped on the barrel. Check Remington Society of America manufactured date page for table/details.
1950
1981
The Remington Model 8 was manufactured from 1906 until 1936 with around 60,000 being made in .25 Rem., .30 Rem., .32 Rem., or .35 Rem. caliber. Value will vary upon condition and examination.
Rem Koolhaas is 66 years old (birthdate: November 17, 1944).
Made from 1941 to 1970 and they are date code stamped to indicated month and year, see related links for details.
1912 to 1936
1:10
$125-250
100-400 USD
The Model 81's are all date code stamped, go to the Remington Society of America there is a diagram (click it) and a table which explains the codes (month/year)
Sounds like a Model 14 made in 1916