So, currently it's

From what I understand everyone who verifies gets the "Age Verified" role, and only people who are 18+ get "Verified 18+".

For starters, I think there needs to be a

Make this only accessible to people who are 13-17, and this would allow people who are Underage to not only represent that fact, but also host spaces that excludes Adults. Just as Adults will do the same.

Secondly, personally I don't understand why anyone would ever represent "Age Verified" over "Verified 18+" unless they're underage and therefore don't have "Verified 18+", so I'd say just remove this option or replace it with my previous suggestion. But don't let Adults represent it.

So, at the end of the day I think it should be

Adults:

and

Underage:

EDIT: Also, I think the default should be to show your verification as most people are going to go through the process specifically to show it. It's the minority that would want to hide it.