The JC Higgins was made Savage Stephens. It is basically the same as the Model 94 by Savage Stephens. It was made from 1937 to the 1980's and to give an exact date of manufacture is almost impossible because there aren't factory records available.
your J C Higgins model 90 was based the J C Higgins model 88 and is some what harder to find model a model 90 in NRA excellent condition is worth between 125.00 and 175 .00 the model 90 was made from 1958 to 1962 by High Standard manufacturing for Sears
Your Winchester model 1894 was made by Winchester in 1974.
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The date of manufacture should be on the model/serial number plate inside the unit.
There were no serial numbers on the model 21's. all you will find is an assembly date code and a sears reference number beginning 583.__ .
Gander mountain usually has them.
Try e-gunparts.com
Marlin Firearms
www.histandard.info
Try e-gunparts.com
I have quite a few. sales@countrygunsmith.net
if you find out will you let me know please for a frienddoug_cibola@hotmail.com 2