I'm looking at my flag display in the moderator tools (on math.SE), and for one flagged comment, the little indicator showing what actions have been taken so far appears as follows:
Another occurrence I just found: if I switch to the 10k view of the current flags, there is a link to switch back to the full moderator view, and it appears as follows:
ê is really more of a curiosity than an annoyance, but I figure it could be looked into. Perhaps it is intended to be the ♦ symbol? At any rate, this is very low priority - I assume the appearance of these
ê's is not affecting anyone other than moderators.