This sounds like you made a Guest Purchase, if so, then your eBay account will not show any purchase as it wasn't used.
The best option is to get a new confirmation email using this link - https://www.ebay.co.uk/help/guest-order?topicId=4065&af=2.
From there you will be able to select the view order details.
If you are unable to do so, and need to open a claim, from that point on you will need to speak to Customer Services, they can verify that you are the person who made the purchase and assist you with opening a claim.
If you need CS:
This is the easiest and quicket way to contact eBay Customer Services, for a Call Back option.
https://www.ebay.co.uk/help/eua?id=5275&mkevt=1&mkpid
Lines open between 8 a.m. to 10 p.m. on weekdays.
9 a.m. to 6 p.m. on weekends.
I recommend contacting CS very first thing in the morning, when the lines first open, as there's more chance of Dublin answering.
@pacheco56
