CAROLINGIANS. Louis 'le Pieux' (the Pious), as Emperor Louis I, 814-840. Denier (Silver, 20 mm, 1.27 g, 10 h), Dorestad, circa 822-840. + HLVDOVVICVS IMP Cross pattée; pellets in quarters. Rev. XPISTIANA•RELIGIO Temple façade. Coupland, Money, Group B, 2. Depeyrot 418. MEC 1, 796. Flan fault, otherwise, very fine.