If your 83A is a bolt action .410 shotgun, these were made in the late 1930s. They are sound, reliable utility grade shotguns, but do not have a high collector's value. Depending on condition, these typically sell for $75-$125.
185 d Model 20 ga Mossberg Whats the Value
would like the retial value of a new Mossberg model 860
$100.00
The value of a 1958 Mossberg model 185K-A is determined by the condition of the shotgun. If in good condition this gun has a value of up to 300 dollars.
50-200
$75-100
Your western field model 830 was made by mossberg for montgomery wards.There model designator was the mossberg model 340K,The value of these guns are between 55-200 dollars.
50-100
The value of a Mossberg Model 500e 410 gauge shotgun overages between $200 and 300. The actual value of the shotgun is largely determined by its overall condition.
50-200 or so
50-125
10-100 usd