We cannot unfortunately, as we are members like yourself, and have no access to your account.
First place to look is in your Purchase History page see if the item is there. If an unknown purchase has been made contact eBay Customer Services asap, and report your findings.
This is the easiest and quickest 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 8 a.m. - 10 p.m. on weekdays
9 a.m. - 6 p.m. on weekends.
Automated agents will be available on chat outside of the above hours.
I recommend contacting CS first thing in the morning as there's more chance of Dublin answering.
Change your eBay password and passwords on all accounts you own, especially your email account. Keep a close eye on all accounts for any untoward transactions.
@dablan_1508