CAROLINGIANS. Louis 'le Pieux' (the Pious). As Emperor Louis I, 814-840. AR Denier (21mm, 1.57 g, 9h). Class 2. Venecias (Venice) mint. Struck 819-822. + HLVDOVVICVS I(MP), cross pattée / +VEN/ECIAS in two lines. Coupland, Money –; Depeyrot 1116D; M&G 456; MEC 1, 789. Toned, minor area of weak strike. VF.