The Arm Reliquary of Charlemagne is a significant piece of medieval art created in the late 9th century, believed to contain a relic of the arm of Charlemagne, the first Holy Roman Emperor. This reliquary showcases the exceptional craftsmanship of Carolingian art, particularly in goldsmithing and ivory carving, which were hallmarks of the period's artistic achievements. Its intricate designs and religious significance reflect the intertwining of power, spirituality, and artistic expression during Charlemagne's reign.