About $75, more or less.
The value of a Topper model 158 12 gauge would depend on a couple different things. The main thing to consider would be the condition.
50-200 USD or so
100 USD give or take
100 USD or so.
Minimal value of $40-$125 US depending on the condition.
1971
I would pay $1,000,000 Why would you pay that much?
Depending on condition, $75-$125.
$100 to $110 in excellent shape
50-160 USD
20-200 USD or so