There are lot more articles about this, heres one about a man who had all his BTC stolen after buying a ledger on ebay 
https://news.bitcoin.com/mans-life-savings-stolen-from-hardware-wallet-supplied-by-a-reseller/
Be careful!
https://news.bitcoin.com/mans-life-savings-stolen-from-hardware-wallet-supplied-by-a-reseller/Be careful!
Purchasing cold wallet on Ebay is the same as to buy 25yo whisky from the tap on the open market.
When dealing with wallets always make sure you use only authentic sites, software and hardware!