Carolingians, Carolingians, Charlemagne, as King of the Franks (768-814), Denier, Milan, Pre-reform coinage, CARO LVS, rev. Rx F MED monograms, 1.05g/3h (Depeyrot 662D; MEC 73; CNI V, 34-6). Small edge chip, otherwise extremely fine and lightly toned, very rare (£3,000-3,500)