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25   (Later Series)    Conical vase widening up to 4-way mouth.

This number is rare or perhaps non-existent. There is no example in the image database.
Judging by the shape-book sketch it resembles 'A' Series / Kerryl A11, although A11 is smaller.

Height; from shape book, about 15 cm.

Shape book 'A'

(Another shape is showing through from the reverse side of the shape-book page.)