Sin 'Fox' Trenton

I think they should go all the way and use both letters. Þþ is for th as in ‘thing’ Ðð is for th as in ‘the’ XP

Print/paper should use serif, screen usually san-serif (with few exceptions), though it is getting more contested nowadays, due to better screen resolutions in general.

https://www.myfonts.com/pages/fontscom-learning-fontology-level-1-type-anatomy-serif-vs-sans-for-text-in-responsive-design