English wine cask units the mediæval French and Italian "botte") or pipe was half a tun, or 1008 pints. Tradition has it that George, Duke of Clarence, the brother of Edward IV of England, was drowned in a butt of malmsey on 18 February 1478. (However, Josephine Tey in "The Daughter of Time" suggests that "drowned in a butt of malmsey" means rather that George, Duke of Clarence, drank himself to death rather than literally drowning in a container of wine.) In Edgar Allan Poe's short story "The Cask of Amontillado", the narrator claims he has received "a pipe of what passes for Amontillado".
Rumney wine not a "fortified" wine in the modern sense, rather a "cooked" wine ("vin cuit") to which boiled-down must (grape syrup) was added. Rumney was exported from Methoni in the southern Peloponnese (one English source calls it "Rompney of Modonn") and perhaps also from Patras and other ports. Although modern methods are different, the Mavrodafni of Patras might be regarded as a modern equivalent of medieval Rumney wine. At the same period, Monemvasia, on the eastern coast of the Peloponnese, was the centre for the export of Malmsey wine; Cretan wine was the third of the medieval trio of Greek wines