No published sn data. 50-300 USD or so depending on specifics
SKS made by Norinco (chinese)
Value of Rifle by Norinco SKS 7.62x39 with and without wood stock?
100-400 or so
no
Check the receiver.
Various Chinese state-owned factories, and they were marketed by Norinco.
About $300, depending on condition.
No.
$250-$350, depending on condition.
There is no such thing as a "semi-automatic assault rifle" except in the minds of those politicians and wealthy people who think they should dicatate what you or I can own. The semi-automatic SKS made by Norinco is worht 75-300 USD
You do not say who made your SKS.That helps and usually the russian made SKS rifles will have the year of production stamped on the receiver cover.I am not so sure on the Norinco made ones.