Where's my earing?

Spent the day in Sydney with my youngest daughter and her friend at an Animae (Japanese Cartoon Art) Convention.
I wore a pair of silver earings that I had brought the last time I was in Bali. It was the first time that I had put them on and between home and the Convention I had managed to lose one, only noticing it missing an hour into walking around the convention venue.
Well, I was pissed off and also resigned to the fact that it was lost forever.
So I took the other one off and put it in my pocket.
We decided to take a walk down to Darling Harbour for a break and to have lunch several hours later and as we walked down the steps of the hotel where the convention was being held, my daughter's friend bent down to pick up something lying on the pavement.
He turned to me and handed me my lost earing.....what are the chances of that!!!!!