It shouldn't be worth a lot, because the other parts of the wearable set are all buyable, it's been out since 2008, and it's not retired. An item database says it's worth 99k, but it's obviously worth more since it's not on the shop wiz or TP. I don't know what I would price it at. I would just put it on the TP asking for offers, and see what kind of offers you get.