Did the email say listing was taken down as counterfeit or VeRO? As it sold before ebay removed it I wouldn't try to appeal it anyway as they won't take the money from the sale from you and if this is the first take down there shouldn't be any restrictions and the email was a warning to not relist. If you have any more of these items do not try to list them as the bot will probably be monitoring your listings more closely now and keep taking the listings down. If you do keep trying to list something ebay has taken down there WILL be restrictions.
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Each time a man stands up for an ideal or acts to improve the lot of others or strikes out against injustice, he sends forth a tiny ripple of hope.
Robert Kennedy