Denarius, type 1

Obverse

Obverse legend

Reverse legend

Reverse

CARLVS REX FR (circular legend around a cross surrounded by a circle made up of dots, a cross between FR and CARLVS).

LVCA (circular legend around the Carolus monogram (1) surrounded by a circle made up of dots, a cross between the letters A and L).

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/btv1b10413714z.r=charlemagne%20denier?rk=2467823;2.

Monogram Carolus:

(1) Without letter A in the diamond on the middle.

Il se peut qu'un globule soit présent mais effacé (dans ce cas cette monnaie est à reclasser avec les autres variantes).

Seems never to have gone on sale.