what's a original 7 1/4 duster rear end worth

what's a original 7 1/2 duster rear end worth ? I am going to sell mine as I upgraded to 8 3/4 and could use the money back. Also have a set of 4 aluminum slots small bolt pattern , and the rear wheels are wider than front , may be factory unsure but what would a good price for the wheels be ? May list them here but would be local pickup , just trying to find a value at the moment before listing locally on market place or craigslist

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I'd start at $250 for the tires and wheels, if the front tires look as good as the back ones. I think that would be a fair deal for both parties involved. Steve