CARo _ LVS (inscribed in two lines).
AVT _ TRA _ NO inscribed in three lines, the letters T, R and A with the letter A tilted, a line above and a line below the same letters).
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,v60_0053,a.html.
A tilde may be present above the letter A of TRA, in this case, the wear has made it disappear.
|N°||G||F||XF 40||AU 58||MS 63||MS 65|