Watch List notes:

CAROLINGIANS. Louis 'le Pieux' (the Pious). As Emperor Louis I, 814-840. AR Denier (20mm, 1.31 g, 6 or 12h). Class 1. Metallum (Melle) mint. Struck 814-819. HLVDOVVICVS IMP AVG, laureate, draped, and cuirassed bust right / + METALLVM, implements of coin minting: pair of dies, flanked on either side by mallet. Grierson, Coins of Medieval Europe 88; Coupland, Money 3; Depeyrot 607; M&G 396; Gariel 73; MEC 1, 758. Deeply toned, slightly ragged flan. VF. Rare.

From the Richard A. Jourdan Collection of Medieval European Coins, purchased from Andy Singer.