Hi Charles!
It´s a ´Warmbrunn´ pitcher, originally designed in 1935 for VLG `Vereinigte Lausitzer Glaswerke´ (United Lusatian
Glassworks). Catalogue of works number is 214 and it comes in three sizes: 130, 175 and 215mm.
Info: Beate Manske, Gudrun Scholz (Hrsg.): "Täglich in der Hand - Industrieformen von Wilhelm Wagenfeld aus
sechs Jahrzehnten", Worpsweder Verlag, 1994
I just stumbled across this marked and boxed Vasen-Trio set on ebay.de:
ebay.deThis Set was originally designed for WMF in 1958.
Obviously the rights for some Wagenfeld designs were transferred to / bought by Schott in Zwiesel at some point in the
(I suppose recent) past for a kind of revival edition.