CARLVS REX FR (circular legend around the Karolus monogram (1) surrounded by a circle made up of dots, a cross between FR and CARLVS).
SENNES (circular legend around a cross surrounded by a circle made up of dots, a cross between the two letters S).
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/btv1b104124527/f2.item.
(1) Without dot at the top in the diamond on the middle.
|N°||G||F||XF 40||AU 58||MS 63||MS 65|
Seems never to have gone on sale.