I have no idea what it is, but here is a few things I seen first it seems to have a decent trunk which has signs at the top of new buds appearing so you know its going to backbud. The leaves are pretty big, but that could just be the way the picture was taken. If they are going to dig it up why not save it from the garbage and have some fun seeing what you can do with it? At worst you will kill it and have something to work while learning from your mistakes and just maybe you will make something nice out of it for free.
ed