Need advice on selling SKS Semi-Auto Rifle

[gruanuts]

I own an SKS Semi-Automatic rifle that has been in my family for years that I want to get rid of. What is the best way to sell it/ price it? I have no idea. It is not registered as it has been packed away in it's case, up in the attic, for years. Also, by looking at the serial, is there a way to determine year of manufacture? Inscription says "made in China by Norinco." Specs are as follows:

SKS Semi-Automatic Rifle
Caliber- 7.62 X 39
Muzzle velocity 735m/s
aiming range 1000m
weight 3.85kg
length 1025m
mag capacity 10 rounds​

With exception of almost imperceptible minor abrasions, excellent condition. Also comes with shoulder strap and 60 rounds ammo.
Any advice would be greatly appeciated.

 

[rocinante]

Here is a link to the SKS board.

http://www.sksboards.com/smf/index.php

 

[tkaction]

General opinion is that only arsenal 26 SKS can be dated.
The opinion is that these ones(26) were made by the military and followed a sequence. If it says norinco then it was sold to the US as a commercial product and may have been made specifically for our market. This is only a guess
and not necessarily fact so please dont Flame just explain.