Yes, there’s a thread about Roman Numerals. I believe each assessment, as well as a couple of the fragments had roman numerals.
Edit: Here’s the thread
http://forum.ackerlygreen.com/t/roman-numerals-a-cipher/1?source_topic_id=1142
In every case they are an increasing set of numbers. Each new set of fragments, including this one, keeps that direction.
Credit: @Robert over on - SOLVED: Phase 3 Assessment: Fletcher Dawson - #547 by Robert