Watch List notes:

CAROLINGIANS. Charlemagne (Charles the Great). As Charles I, King of the Franks, 768-814. AR Denier (21mm, 1.51 g, 3h). Class 3. Mogontia[cum] (Mainz) mint . Struck 793/4-812. + CΛRLVS REX FR, Karolus monogram / + MOGONTIΛ, cross pattée set on three steps. Coupland, Charlemagne 7b/12; Depeyrot 577; M&G 91; MEC 1, 742. Iridescent toning. VF. Rare.

Ex Gordon Andreas Singer inventory 132487750 (ND).