**A Chinese Ge-Type Glazed Moon Flask with Taiji and Bagua, 20th Century**
Height: 19 7/8 in (50.5 cm)
The moon flask, also known as *baoyue ping*, was a preeminent imperial display form of the Yongzheng reign. Referenced in Qing court records as *magua ping*, its lineage traces back to flattened leather pouches of Central Asia, reinterpreted by the Yongzheng imperial kilns with archaic monochrome glazes and Daoist iconography for grand palace interiors.
This imposing large vase features a straight neck flanked by a pair of elegant ruyi scroll handles. The substantial compressed circular body sits on a rectangular indented foot rim. It is entirely coated in a soft grey-green ge-type glaze, animated by a dense network of fine crackles replicating the celebrated “gold-thread iron-wire” texture of ancient Song Ge ware. Relief-moulded to the front is a central Taiji yin-yang medallion, encircled by the eight trigrams (Bagua). The balanced composition embodies the ancient philosophy of cosmic harmony. The base bears an underglaze blue six-character archaic seal mark reading *Da Qing Yong Zheng Nian Zhi*, copied from Yongzheng imperial prototypes.
**References**
1. Auction: Sotheby’s Hong Kong, April 2012, Lot 3041, A Yongzheng Guan-type glazed flattened vase with Bagua relief, closely related in silhouette and decorative scheme, without the central Taiji roundel. Comparable imperial Yongzheng Bagua moon flasks have appeared in Sotheby’s sales of 1978, 1989, 1999 and 2010. This category of monochrome Bagua moon flask is rare on the market and highly sought-after by specialist collectors.
2. Museum holdings: Palace Museum, Beijing, holds the benchmark imperial example: a Yongzheng Guan-type glazed Bagua moon flask (Object No. 故 00156683). Related Qianlong ge-type glazed cong vases with Bagua relief are preserved at the Palace Museum and Chengde Mountain Resort Museum, confirming the enduring vogue for this Daoist decorative theme in high Qing imperial porcelain.
A thoughtful 20th-century interpretation faithfully modelled on the Yongzheng imperial archetype, retaining the stately proportions, crackled archaic glaze and cosmological symbolism of the original.
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