User blog comment:MakeShift/Discussion on post-Crisis changes to the wiki/@comment-14250-20200117084508

What if instead of earth-2 and Earth-2 (Prime) we called them old Earth-2 and [[new Earth-2 ?

Or maybe Earth-2 (old) and Earth-2 (new) ?

Old/New just seems briefier than "Pre-Crisis" and "Post-Crisis" especially since there is more than one crisis, and could be more crises to come.