The Kof K shares that limited production of Feta Cheese produced in Greece and marketed under the Krinos brand, bear an unauthorized Kof-K symbol. Any item with a production date of 2023 and beyond, should be considered non-Kosher regardless of it bearing a Kof-K symbol.
From The O/K: Apple Maps
Apple Maps is displaying the O/K certification mark on listings for various establishments in the “good to know” section on both mobile app and browser