A polite victim of theft

Perhaps the person who had their bicycle stolen, only to find it again parked somewhere else with a new lock on it, is very polite.
They presume a mild mannered note with their phone number is all it will take to get their bike back, now that they've found it again.

Either that, or someone just wants to share the history of their bike....
This is my bike, it got stolen, I got it back... phone me for more details.