Sometimes written or stamped on the wood underneath the shoulder stock.
Unlike modern firearms, many Cooey shotguns were produced without serial numbers entirely, particularly those made before the late 1960s. Even when serial numbers are present, there is no centralized official database to provide an exact "born-on" date. Cooey Model 840 Serial Number Lookup
: Indicates production before 1961, when the company was independent. Since the 840 wasn't introduced until the late 60s, you will rarely see this on an 840 unless it was a very early transition piece. "Winchester-Western (Canada) Limited" : This is the most common marking for the Sometimes written or stamped on the wood underneath
Instead, collectors use and receiver stampings to date these firearms. Step 1: Locate the Serial Number (If Present) : Indicates production before 1961, when the company
Introduced as a more economical version; often used birch or maple stocks and 3" chambers.