Rhenish 12th Century, Chalice of the Abbot Suger of Saint-Denis, 2nd/1st century B.C. (cup); 1137–1140 (mounting), sardonyx cup with heavily gilded silver mounting, adorned with filigrees set with stones, pearls, glass insets, and opaque white glass pearls, National Gallery of Art, Washington. https://dartabase.art/cite/nga/1437

Rhenish 12th Century, Crucifix, c. 1150/1175, gilded copper alloy with champlevé enamel, one jasper stone, and glass, National Gallery of Art, Washington. https://dartabase.art/cite/nga/1442

Rhenish 12th Century, Reliquary Châsse, c. 1175/1180, champlevé enamel on gilded copper with oak core, National Gallery of Art, Washington. https://dartabase.art/cite/nga/1438