Hello and welcome to the site.
You have an example of
https://en.numista.com/catalogue/pieces44853.html
The Charlton Catalogue lists only the two wreath varieties 48B1 (counter-clockwise) and 48B2 (clockwise). But they do mention that there are many variations in the size, style, and shape of the head and that some are extremely rare.
I believe Courteau has published monographs on these varieties.
I wish I could help you more. Good luck.
It ain't what you don't know that gets you into trouble. It's what you know for sure, that just ain't so. Mark Twain