Compare a vase of this form in the collection of the Idemitsu Museum of Arts, Tokyo, attributed to the 8th century, published in White Ceramics of the East: The Genuine Pure World, Tokyo, 2012, pl. 11. See two other examples of the same shape, attributed to the Sui dynasty: the first illustrated in Mino Yutaka, Hakuji [White Porcelain], vol. 5. Tokyo, 1998, pl. 16, the second was sold at Christie's Hong Kong, 29th November 2020, lot 3024.