[OhioLawyerF5]

So they didn't refuse to authenticate the slab. :doh:

They refused to pass the sale because of a defect in the listing. Whether we agree that the listing contains an error or not isn't the issue. But part of the authentication process is to make sure the item sold is the same that is listed in the details. It seems nitpicky in this scenario, but can be very important for other listings from sellers using deceptive listing practices to scam buyers. The solution is simple, find out the problem they have with the listing and correct it. Small cost for complete transparency in listings between buyers and sellers.