depends on the condition, and what sights it has. a fair price is anywhere from $250 to $450. condition makes a big part of the value.
Depending on condition, accessories, etc., 100-400 USD.
$150
Value of Rifle by Norinco SKS 7.62x39 with and without wood stock?
$450-$500
100-400 or so
$175-$225, depending on condition.
100-1000 USD
Depends on what part of the world you are in, whether it is legal, who made it, the exact model and condition. Range from 300-10000 USD. norinco new mak-90/91
100-350
100-20000 depending on specifics
50-150 USD or so