No estimate of value can be set without more information about the pistol. Is it still working? what condition is it in? None of this is stated in the Question. So here is a suggestion. Daisy offers a service to estimate the value of daisy air guns and it's free. see the link below.
What condition is it in? That determines the value.
What Condition is it in? That determines the value.
to show how much the number is worth
£90 Million
$100
No such model in the S&W line.
It depends largely on the brand and power
60,000-69,000
No such model in the S&W line.
No such model number in Winchester line
Try on line auction sites
2 points