Frankish Greece unknown Principality or ruler [opgelost]

This one may not be in numista. I can't quite match the letters that are visible. My guess is billon. 0.9g 19mm x 1mm.

Salve, regno di Francia,denier tournois di Luigi VIII o IX

https://it.numista.com/catalogue/index.php?r=Denier+tournois+louis+ix&st=all&cat=y&im1=&im2=&ru=&ie=&ca=3&no=&v=&a=&dg=&i=&b=&m=&f=&t=&t2=&w=&mt=&u=&g=&se=&c=&wi=&sw=

Grazie mille. Your numismatic knowledge is legendary.