Glera is the grape variety for Prosecco. Bisson makes two kinds of Prosecco, one labeled Prosecco with the common cork closure, and this one simply labeled Glera but in a crown cap. Strange, but if you want to be sure you're popping great Prosecco get this Glera in the crown cap.
Vino Frizzante Trevigiana IGT Glera, Bisson 2011 $19.00