GlassOfVenice Murano Glass Ca D'Oro Earrings - Cobalt Blue Authentic Murano Glass hand-made in Venice, Italy Crafted by prominent Venetian family workshop with long history The earrings are unique - no two pairs are exactly the same Certificate of Authenticity included with each pair Imported and distributed by GlassOfVenice.com, largest US-based provider of authentic Murano Glass