There is certainly precedence for using the same typography style for 'Co', so it gets a thumbs up in my book. Italian numero, French numГ©ro, and Spanish, Portuguese and Galician nГєmero.ДЄs far as I know, there is no official name for 'CВ°', but I believe the 'o' would qualify as a superior letter.

In Romance languages, the numero sign is understood as an abbreviation of the word for 'number', e.g.

Tip: You can make text superscript or subscript without changing the font size. On the Font tab, under Effects, select the Superscript or Subscript check box. The Oxford English Dictionary derives the numero sign from Latin numero, the ablative form of numerus ('number', with the ablative denotations of: 'to the number, by the number, with the number'). On the Home tab, in the Font group, pick the Font Dialog Box Launcher. Typographically, the numero sign combines the upper-case Latin letter N with a usually superscript lower-case letter o, sometimes underlined, resembling the masculine ordinal indicator. For example, with the numero sign, the written long-form of the address 'Number 22 Acacia Avenue' is shortened to 'в„– 22 Acacia Avenue', yet both forms are spoken long. The numero sign or numero symbol, в„–, is a typographic abbreviation of the word number(s) indicating ordinal numeration, especially in names and titles. As such, it's considered a single character, not two. It actually has its own unicode character: в„–. To help make your experience as smooth as possible, we caught up with Josh, who leads SuperscriptвЂ™s customer success team, and has years of claims experience, to share a little of his wisdom.

This is what's known as the 'numero sign' or 'numero symbol'. Making a business insurance claim, is a nerve-wracking experience for the best of us, but there are things you can do to ease the situation.

How to make a superscript o i