An identical ewer from the Hickey collection, is in the collections of the Asian Civilisations Museum of Singapour (access number 2000-03332), and published by Rose Kerr and John Ayers in Blanc de Chine: Porcelain from Dehua, Asian Civilisations Museum, 2002, no. 96
For a Blanc de Chine teapot of the same group and with the same form of finial, see Sotheby’s Hong Kong, China / 500 years, 26 may 2021, lot 344.