Quadruplet (quadrans), 822 / 844, Ludwig the pious, 813-840, indefinite mint (Dorestad, Mainz?). Av: cross, in the angles in each case a ball, therefore \"HLVDOVVICVS\". Rev: Temple, therefore and above cross, therefore XPISTMNARELIGIO\". Morrison / Grunthal -, Gariel 44, Prou 1019 ff, edge damage, ss. Unediert. Lot 1439 the 323. Auction Dr. Busso Peus successor, Frankfurt on M., 1988.