CARL _ Rx F (inscribed in two lines separated by a line, the letters A and R of CARL under a tilde).
CIVI _ ARGE (inscribed in two lines separated by a line, the letter V under a tilde).
Photo of the copy preserved at the Bibliothèque Nationale de France (public domain), link to the page of their website showing the photo of the coin: https://gallica.bnf.fr/ark:/12148/btv1b104124544.r=charlemagne%20denier?rk=836914;0.
Another copy preserved at the Münzkabinett der Staatlichen Museen of Berlin, link to the page of their website showing the photo of the coin: http://www.smb-digital.de/eMuseumPlus?service=ExternalInterface&module=collection&objectId=2378142&viewType=detailView. It is the copy illustrated in the old works.
|N°||G||F||XF 40||AU 58||MS 63||MS 65|
Seems never to have gone on sale.