just go to your purchase history

Or here if you purchased as a guest:

https://www.ebay.com.au/help/buying/paying-items/buying-guest?id=4035

Or here if  through social media:

https://www.ebay.com.au/help/account/signing-account/signing-account?id=4189#section4

And if you haven't purchased since last year, make sure the See Orders > drop down box option

is set to the correct timespan on your Purchase History page