What's the best and worst thing you've ever bought on eBay?

The venerable online auction site eBay is preparing to celebrate its 20th birthday. We want to see and hear about the best and most terrible purchases you've made

Here's a fact to make the internet generation feel old: online auction site eBay is approaching its 20th birthday. In a few short days, the place for selling off your old clothes or a coffee cup once used by Jeremy Corbyn is officially old enough to be considered an adult in Japan or vote in Bahrain, if it were a person, which it is not.

To celebrate twenty years of wheeling, dealing, and things you bought accidentally after bidding for them when slightly drunk, we want to hear about all your eBay triumphs and disasters.