410. Have it checked by a gunsmith to verify what length 410
1971
About $75, more or less.
Depending on condition, $75-$125.
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 or so.
100 USD give or take
Sorry- no public database.
Minimal value of $40-$125 US depending on the condition.
Blue Book of Gun Values can help
$50-$100, depending on condition.
Made between 1962-1974. Model number changed to 058 in 74.