Guest purchase perhaps which do not appear in your eBay account ? ... if you paid through eBay checkout using a card or available funds, you will have more success if you use the PayPal Resolution Centre to raise an 'Item not as described' case there ... otherwise contact your Bank Card issuer for advice >
https://www.paypal.com/uk/smarthelp/article/what-if-i-didn't-receive-my-item-or-it's-not-as-advertis...
