Need a Coral ID

Reefing Newbie

New member
So the only thing I know about it is that it is a mushroom coral, and that is it. I would like to know specifically what kind it is because I will be either giving it to my lfs for instore credit or selling it to a fellow reefer. In order to find a fair price, I need to know what kind it is as some varieties are rarer than others. I don't want to overprice or underprice it. Thanks!!