Watch List notes:

CAROLINGIANS. Louis 'le Pieux' (the Pious). As Emperor Louis I, 814-840. AR Denier (20mm, 1.70 g, 7h). Class 2. Metallum (Melle) mint. Struck circa 819-822. + HLVDOVVICVS IMP, cross pattée / META/LLVM in two lines. Coupland, Money, Class II, 3 (same obv. die as illustration); Depeyrot; M&G 398; MEC 1, 774 (same obv. die as illustration). Near EF, lightly toned, a few light deposits.

Ex Classical Numismatic Group 88 (14 September 2011), lot 1767.