The Ardagh Chalice, c. 8th century, silver, gilt copper, gold filigree, gold, gilt bronze, silver, polychrome glass, amber, rock crystal, 18 cm high, 19.5 cm in diameter at the rim, found in a hoard in the ringfort of Reerasta, near Ardagh, County Limerick, Ireland (National Museum of Ireland)
A conversation with Dr. Lauren Kilroy-Ewbank and Dr. Steven Zucker at the National Museum of Ireland
source
