This ordinary drinking vessel is decorated with applied drops of glass drawn into points, or prunts, that give the beaker its name, Krautstrunk, a German word meaning "cabbage stalk." Although primarily decorative, the prunts also provided a surer grip on the vessel, which was heavy when filled.
Jacques Mühsam, Berlin (sold 1927)
New York. The Cloisters Museum & Gardens. "The Secular Spirit: Life and Art at the End of the Middle Ages," March 28, 1975–June 15, 1975.
Husband, Timothy B., and Jane Hayward, ed. The Secular Spirit: Life and Art at the End of the Middle Ages. New York: The Metropolitan Museum of Art, 1975. no. 34, pp. 43, 52, fig. 3.