unexpectedfind
nounUK /ˌʌnɪkˈspɛktɪd faɪnd/
US /ˌʌnɪkˈspɛktɪd faɪnd/
A thing you find when you are not looking for it.
The shiny coin in the sand was an unexpected find.
OTHER MEANINGS
2. A lucky discovery that makes you happy.
Finding the lost kitten was a happy unexpected find.
3. Something good you get without planning for it.
The extra cookie in the bag was an unexpected find.
4. A hidden thing that surprises you when you see it.
The old toy in the attic was an unexpected find.