As Charles I, King of the Franks, 768-814. AR Denier Silver (17mm,1.19 g). Class 2. Lugdunum (Lyon) mint. Struck 771-793/4. C(AR)o/LV-S- in two lines / LUG/DUN in two lines; between, below. Coupland, Charlemagne. 14F. The silver coin dates back to the 1960s.