How to determine if a bottle of Prosecco is authentic?

To determine if a bottle of Prosecco is authentic, look for the Prosecco DOC or Prosecco DOCG label. This label indicates that the wine was produced in the Veneto region of Italy and meets the strict production standards set by the consortiums involved in Prosecco production. Additionally, check the label for the producer’s name and the type of grapes used, as Prosecco must be made from at least 85% Glera grapes.