Looks like 1/4 of a square within a square before 25

 

What do you mean, "Want to delete"?

Are you asking to have the thread deleted?

 

Or more appropriately, “jet•ti•son” the post.

 

Based on my read, I think he is asking about the symbol on the jet just before the "25" stamp. I don't recall having seen that on my Mic, so hopefully someone else will.

Paul