Denarius, type 1, var 1 (CARLVS REX FR)

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).

LVGDVNVM (circular legend around the Karolus monogram (2) surrounded by a circle made up of dots, a cross between the letters M 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/btv1b10413310n.r=charlemagne%20denier?rk=858373;2.

Monograms Karolus:

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

(2) With the letter A inscribed at the top in the diamond on the middle.

(3) With the letter A inscribed at the left in the diamond on the middle.

Seems never to have gone on sale.