The extended funnel set on a collar over a flattened ribbed knop between collars, supported on a conical foot with folded rim.
For a similar example in the Rijksmuseum see:
Krug Collection (K104), Sotheby’s London, part II, 7 December 1981, lot 340
Christie’s London, 16 October 1990, lot 169
Barbara Wirth Collection, Gros & Delettrez, 13 October 2020, lot 36