they were made from 1941-1970, they are date code (month/year) stamped on the barrel, diagram for location and table on Remington Society of America.
1890-1933 - w/ serial can date (some of them).
They were made from 1936-1941, few after 1939. Value depends on condition.
Date code stamped on the barrel. Details on the manufacturing date link on the Remington Society of America
Yes, Winchester made a Model 67
Remington never made a model 67, model 76 (lever?), Winchester?
According to Remington's website, that model was made 1928-1933.
If you are talking about a winchester model 1890,.22cal pump rifle?Then it was made by winchester in 1923.
your Remington model 1894 shotgun was made in 1899.
All Remington model 870 shotguns were made in the Unites states.The Remington plant was located in Ilion,New York.
Remington's web site has a good model history section that will assist you.
1981 to 1989. then it was discontinued.
It is the same as a Marlin model 81