Where is Murano glass signed?

Authentic Murano glass often, but not always, includes labels with the name of the workshop, the signature of the glass master and a certificate of authenticity. To best determine if a Murano glass is authentic, look up the location of the factory found on the label. All authentic Murano glass is produced in Venice or Murano. Always purchase Murano glass from a reputable seller to ensure authenticity. Browse a selection of authentic Murano glass pieces on 1stDibs.