Price on a M1S barrel

[N310toN170]

I've just completed ordering my Noveske 16" and will be looking to sell the M1S barrel its replacing. So, my question is: with approx 200 rounds thru it for load development, what's the barrel worth? As a side note, I was not entirely sure of the threading of the M1S muzzle so I bought it w/o and later had it turned to 5/8" x 24.

(Aside from the economic definition of: worth is established by what someone is willing to pay; fair market value)

Thanks for the input in advance!