Denier tournois it was put into circulation in 1269, after the great monetary reform by Louis IX Saint. At that time, a new monetary unit was introduced into circulation, the Gross Tournois, worth 12 Denier tournois.
France, Louis IX, Denier tournois
Obverse: cross
+ LVDOVICVS REX
Reverse: castel Tournois
+ TVRONVS CIVIS
Diameter 19 mm, weight 0.80 g
