Help on Pricing

So I landed a 2012 Bowman Chrome SuperFractor Jamal Austin BCP146 1/1. I use the cheap of seeing what a card is worth by checking the sold listings on Ebay, but obviously I won't be able to find another card like this can someone help me with pricing? Pleeeeease! Thanks
Brandon
Brandon
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WTB: PSA 1 - PSA 3 Centered, High Eye Appeal 1950's Mantle