A Yongzheng Imperial Kiln Vase in the Form of a Lotus Bud (Lianbao ping) with Underglaze Cobalt Decoration
Year: 2025
Type: article
Abstract: This article presents a detailed study of a Qing dynasty porcelain vase of the celebrated lotus‑bud form (Chinese: 蓮苞瓶, lianbao ping), attributed to the Yongzheng period imperial kilns at Jingdezhen (1723–1735). The vessel combines a pear‑shaped body with a tall, ribbed neck modeled on an opening lotus calyx and bears applied animal‑mask bosses with mock rings. The decoration is executed in underglaze cobalt blue with dense scrolling peony motifs and formal borders. The base carries a six‑character Yongzheng reign mark in underglaze blue. High‑magnification inspection of the painting, the glaze and the reign mark reveals features characteristic of early eighteenth‑century imperial production, including fine cobalt granulation with controlled tonal layering, bright and even glaze with minute bubble inclusions, and precise seal‑script mark execution. Comparative analysis with museum catalogues and academic literature supports the attribution to the imperial kilns and situates the present vase among refined Yongzheng interpretations of archaic forms. Keywords: Qing dynasty; Yongzheng reign; imperial kilns Jingdezhen; lotus‑bud vase; lianbao ping; underglaze cobalt blue; peony scroll; animal‑mask handles; seal‑script reign mark. 1. Introduction The Yongzheng emperor’s taste is renowned for its emphasis on elegance, restraint and historical learning. Under his patronage the imperial kilns at Jingdezhen pursued a program of technical refinement and deliberate engagement with antiquity. The lotus‑bud vase, known in Chinese as lianbao ping (literally “lotus shoot bottle”), exemplifies this aesthetic synthesis. Its graceful silhouette, the ribbed neck imitating opening petals and the application of animal‑mask bosses with mock rings recall archaic bronzes while remaining perfectly suited to the luminous white porcelain body and the painterly possibilities of underglaze cobalt. The present article focuses on one such vase in a private collection. It aims to document its form and painting in a systematic manner, present the microscopic observations relevant to authentication, and place the vessel within the Yongzheng imperial context through comparison with securely published examples. 2. Description of the Vase Form and proportions. The vessel has a rounded, pear‑shaped body rising from a neatly cut circular foot. The shoulder is full and transitions into a tall, narrow neck with pronounced vertical ribs that articulate the lotus‑bud concept. The mouth is finished as a petalled rim with clearly modeled segments. The proportions achieve a harmonious balance between the swelling body and the slender neck, a hallmark of Yongzheng design. Applied ornaments. Two animal‑mask bosses with suspended mock rings are applied on opposite sides of the body. The masks are crisply modeled and symmetrically placed. Such bosses deliberately evoke Shang and Zhou bronze vessels and are an established device of courtly archaism during the early Qing. Surface and glaze. The glaze is bright and even with a clear, slightly bluish tone over the white body. At raking light one observes minute bubble inclusions and local pooling along the ribs of the neck. The ring foot is cleanly finished with a neatly recessed base. Decoration. The body is painted in underglaze cobalt blue with a continuous scrolling peony pattern. The neck carries upright lotus‑petal panels and narrow border bands; the foot is encircled by a wave‑crest band. The palette ranges from pale sapphire washes to darker passages where pigment gathers, creating the controlled “heaped and piled” effect prized in early eighteenth‑century painting. Reign mark. The underside bears a six‑character Yongzheng reign mark in underglaze blue, written in seal script within a double‑square cartouche. 3. Methods Examination was carried out under natural and raking light and with optical microscopy up to 400× magnification. The study recorded pigment distribution, glaze features, boundary zones, tool marks and characteristics of the reign mark. Non‑destructive methods were used throughout. 4. Technical Observations 4.1. Underglaze cobalt painting. At magnification the pigment appears as finely dispersed granules embedded beneath the glaze surface. Brushwork shows sharp outlines with graduated washes, and localized darker pools at the ends of strokes. The tonal range from pale to deep blue is smooth, without inky bleeding. These features are consistent with high‑purity cobalt used under Yongzheng supervision and with careful kiln control. 4.2. Glaze and body. The transparent glaze is evenly applied with small, rounded bubble inclusions typical of high‑temperature, well‑matured Jingdezhen glazes. Along the ribs of the neck the glaze exhibits slight thickening that emphasizes the relief. The porcelain body appears dense and bright with no impurities visible at the surface. 4.3. Reign mark execution. The seal‑script characters are square and precise, with clean intersections and minimal feathering along the cobalt edges. The even tone of the blue within the strokes and the clarity of the double‑square border correspond to imperial mark standards of the Yongzheng period. 4.4. Applied bosses. The animal‑mask bosses were attached before glazing. Around the joins one observes a smooth transition under the glaze without gaps or crawling, which indicates controlled glaze fit and professional assembly in the workshop. 5. Iconography and Style The peony scroll symbolizes prosperity and rank and is a canonical motif in Yongzheng porcelain. The neck’s upright petal panels elaborate the lotus theme introduced by the form itself. The presence of archaistic animal‑mask bosses with mock rings contributes a learned historical note that was highly valued by the Yongzheng court. The overall composition is dense but disciplined, with continuous scrolls that respect the silhouette and accentuate the swelling body. 6. Comparative Analysis The lotus‑bud form and its close relatives are recorded across major museum collections and scholarly catalogues of Yongzheng porcelain. Palace Museum volumes on Qing blue‑and‑white and on imperial wares illustrate vases with petalled necks and archaistic bosses. The National Palace Museum in Taipei publishes Yongzheng blue‑and‑white vases with dense lotus scrolls and six‑character marks that exemplify a similar combination of refined potting and controlled cobalt tonality. Auction catalogues with rigorous research sections, including detailed essays by specialists, also document seal‑marked Yongzheng vases with lotus‑mouth or lotus‑bud profiles and animal‑mask appliqués. When compared side by side, the present vase aligns with these references in four respects:(1) the exact articulation of the petalled neck and the disciplined transition from shoulder to neck;(2) the quality of the cobalt painting with deliberately modulated washes;(3) the use of archaistic animal‑mask bosses;(4) the precise seal‑script reign mark in underglaze blue.Collectively these points support attribution to Yongzheng imperial manufacture. 7. Discussion: The Lotus‑Bud Form under Yongzheng Scholarly writing on the Yongzheng period emphasizes the revival and reinterpretation of archaic shapes within porcelain design. The lotus‑bud form converts a naturalistic botanical motif into a refined architectural neck, while the bosses recall bronze prototypes. This layering of references is entirely in keeping with Yongzheng court ideology that valued both moral exempla from antiquity and technical mastery in contemporary production. The present vase is a persuasive manifestation of this program, executed with the restraint and detail characteristic of the reign. 8. Attribution and Conclusion On the basis of form, painting, glaze and mark, and with reference to comparative publications from the Palace Museum, the National Palace Museum and leading scholarly sources, the vase can be attributed to the imperial kilns at Jingdezhen during the Yongzheng reign. Its lotus‑bud profile, underglaze cobalt peony scrolls and archaistic ornaments together represent a distinctive imperial variant within the celebrated lianbao ping family of shapes. Figures Fig. 1. General view of the lotus‑bud vase with underglaze cobalt decoration (front).Fig. 2. Base with six‑character Yongzheng reign mark in underglaze blue, seal script within double‑square cartouche.Fig. 3. Detail of the scrolling peony decoration showing fine cobalt granulation and controlled tonal layering.Fig. 4. View of the petalled mouth and ribbed neck imitating an opening lotus calyx. (All photographs by the author. Additional micrographs can be deposited as supplementary files.) Data Availability All original photographs and any microscopy images will be deposited with the Zenodo record under open licenses. Acknowledgements The author thanks the custodians of the Private Collection for access to the object and permission to publish images and technical notes. References (selected) British Museum. Chinese Ceramics, Room 95 — Large Print Guide. London: British Museum. Colomban, P. 2021. “Raman Microscopy in the Authentication of Qing Dynasty Porcelain.” Journal of Raman Spectroscopy 52(3): 472–484. Kerr, R., and N. Wood. 2004. Science and Civilisation in China, Vol. 5, Part 12: Ceramic Technology. Cambridge: Cambridge University Press. Ma, K. 2024. “The Reproduction and Imitation of Antiquities under the Yongzheng Emperor.” T’oung Pao (Brill). Medley, M. 1977. The Chinese Potter: A Practical History of Chinese Ceramics. Oxford: Oxford University Press. National Palace Museum, Taipei. Catalogue entries for Yongzheng blue‑and‑white vases with lotus scrolls and six‑character marks. Palace Museum, Beijing. The Complete Collection of Treasures of the Palace Museum: Blue and White Porcelain with Underglaze Red, Vol. 3. Hong Kong: Commercial Press. Palace Museum, Beijing. Qingdai Yuyao C
Author: NONA, Dronova
Language: English
Subfield: Conservation
Field: Arts and Humanities
Domain: Social Sciences
Open Access status: green
OpenAlex ID: W7077155898
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