Denarius, type 2 (monogram Karolus)

Obverse

Obverse legend

Reverse legend

Reverse

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 on three degrees 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/btv1b10412451s.r=charlemagne%20denier?rk=257512;0.

Monogram Karolus:

(1) Without dot at the top in the diamond on the middle.

The monogram seems to have no letter A.

Seems never to have gone on sale.