A similar vase from the C.P. Lin Collection is illustrated in ????? no. 99.
Kwan notes in op. cit. p. 22 that the formal records of the production catalogue of the Imperial Kiln for the third year of Tongzhi corresponding to 1864 include a 'yuhuchunping vase with railing pattern in underglaze blue' (check??)
The Chinese University of Hong Kong, Imperial Porcelain of Late Qing, Kwan Collection, 1983, Catalogue, no. 91
National Museum of History, Taipei, Imperial Porcelain of late Ch'ing, From the Kwan Collection, 1985, Catalogue, no. 91