Question: The St. Riquier Gospels was given to Angilbert by a man that was Emperor of the Romans beginning in what year?
Sentence (from "Codex Aureus of St. Emmeram"): The cover of the codex is decorated with gems and relief figures in gold, and can be precisely dated to 870, and is an important example of Carolingian art, as well of one of very few surviving treasure bindings of this date.
Relevant evidence: No