Impossible to answer.
"Your" Winchester Model 21 Double Barrel Shotgun was manufactured in 1933, giving it an age of 77 years, as of 2010.
Please include the model number of your Winchester shotgun to get a correct answer to your question along with the serial number.
10-500 usd
Check the receiver and barrels.
You will need to include the shotgun model number,or model name.Type of shotgun(single shot,pump action,double barrel,or semi-auto)along with the serial number that you have provided to get the correct age of your Winchester shotgun.
Depending on condition 300-1000 USD.
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