Help with Value of 1st Generation Benjamin Marauder Wood Stock

I found this Benjamin Marauder Beech wood stock in my late brother's belongings. It looks like it's never been used. Benjamin confirmed it's a 1st generation. It's 33" long. I would like to sell it, but I'm not a gun person, and have no idea of the value. It has one tiny nick in the wood (pictured). thank you...

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