The seller, however, has an impeccable record on e-bay, and is probably wise enough to protect her interests. That said, if it's the real thing, those interests are in terrible jeopardy.
It seems it could be DU people who complain to e-bay that the posting is a fraud or offensive in some way, and e-bay responds by pulling the item.
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It is. Kos and DU are talking about it and reporting it. If enough people report it ebay removes it then he has to call and get it relisted. That’s how ebay works.