In 2371, Quark gave a bottle of 2368 Kandora champagne as a gift to Major Kira Nerys. He said, it was a very good vintage. (DS9: "Meridian") In 2374, Dr. Julian Bashir and the other genetically engineered toasted with a bottle of Kandora champagne after Captain Benjamin Sisko had agreed to take their analysis of the Dominion War situation to Starfleet Command. (DS9: "Statistical Probabilities") Given that the bottle contained the seal of the Federation, it was probably produced within it.