I don't know from Ilish, but I posted a link in my comment to a detailed discussion of the four generally-accepted "Types." See https://multicollec.net/1-mo-h/1h04. It's in French, but one can easily translate the site with Chrome if one doesn't read that language.
Reference to Ilish, 1992: https://journals.ub.uni-heidelberg.de/index.php/nnu/article/view/83217 Ulrich Werz, “Die Kleingeldversorgung ausgusteischer Zeit in Gallien und Germanien”, p. 169)
These last three pictures are from a presentation by Ulrich Werz at the UZH Historisches Seminar Fachbereich Alte Geschichte, 2015
there are several publications that can be downloaded free at https://niedersachsen.academia.edu/UlrichWerz (most of them are in German)
Here's mine, that was electrolyzed to death but the strike is good. Not much left on Augustus's face, but Agrippa looks alright.
Honestly, this would be such a great coin if it wasn't dissolved halfway to death On the bright side it cost $12.50 so corners must be cut I suppose...