Denarius, type 4, var 1 (CARLVS REX FR . TOLVSA)

Obverse

Obverse legend

Reverse legend

Reverse

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

TOLVSA (circular legend with the letter S inclined, around the Karolus monogram (1) surrounded by a circle made up of dots, a cross between the letters A and T).

Photo of a coin sold by cgb.fr, link to the sale and their website: https://www.cgb.fr/charles-ier-dit-charlemagne-denier-ttb,v61_0402,a.html.

Monograms Karolus:

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

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

(3) Without letter A in the diamond on the middle, the letters K, R and S inscribed normally, lthe letter L inverted.

(4) Without letter A in the diamond on the middle, the letters K and R inscribed normally, the letter S inverted and the letter L inscribed normally.

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/btv1b10413520t.r=charlemagne%20denier?rk=1394856;4.