met-medieval-art:Beads, Medieval ArtMedium: Various glass, copper alloy, coral, rock crystalRogers F
met-medieval-art:Beads, Medieval ArtMedium: Various glass, copper alloy, coral, rock crystalRogers Fund, 1925Metropolitan Museum of Art, New York, NYhttp://www.metmuseum.org/art/collection/search/479605 -- source link