0I am aware of this but endings in "st", "nd", "rd" are extremely uncommon with Roman numbers.02br 02br 00Also I could never find instances of these endings being superscripted.02br 02br 00Finally, Italians (who should know a little about Roman ordinals) consider the addition of ordinal endings at the end of Roman figures to be incorrect. The Roman figures
0I guess it's a Roman language tradition. You say "Henri trois" in French, not "Henri le troisième".02br 02br 00As to the supercripted endings, I've already enquired about them, and they're used, even underlined... At least with regular numbers.0-