File:Middlex flag ver2.png

Summary
a middlex flag by the middlex coiner, Dexter/neopronouns on tumblr. According to Dexter, "(he) combined the trauma holder and systeen flags and faded the systeen colors a bit to represent the adult nature of their trauma." https://web.archive.org/web/20220311004740/https://neopronouns.tumblr.com/post/677530334746820608/original-icon-friendly-middlex-a-middle-system