THERE WERE only 20 cases of the single-block, single-barrel Cab Franc Challenge winner made available for purchase after results of the 2023 edition of the competition were announced in Stellenbosch. As for the rest of the Anthology, 2020 vintage, “we’ll be drinking to celebrate,” said the producers. “Lucky us.” Convenor Bjorn van Oort let on that “just 0.33 points” separated