Open - Penfolds has been providing this famed service to collectors around the world since 1991, with over 130,000 bottles certified since the program’s inception. Wine owners must make a booking for a personalized, custom wine assessment, which includes 1:1 time with the winemakers to recount the wine’s story, discuss drinking windows, cellaring recommendations, and more. An optional valuation service will also be provided onsite by Christie’s Auction House.