Antique Chinese Copper Red Underglaze Ming Imperial Dragon Porcelain Bowl Vase
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Antique Chinese Copper Red Underglaze Ming Imperial Dragon Porcelain Bowl Vase:
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A COPPER-RED UNDERGLAZE MING STYLE
IMPERIAL LOTUS DRAGON BOWL
Two ferocious Ming Dragons surround a folliage of lotus flowers, with a Ruyi border to the base, a single five-clawed Imperial Dragon inside the bowl and a lappet border of smaller lotus flowers surround the inner rim. Measures 11 inches (28 cm) in diameter, approximately 4.5 inches tall. Small discoloured label to base (looks printed or typewriter, pointelated), as well as collection reference A247 written on base, and an accompanying label reading A247 5M. The wooden base is not included. Copper compounds were used at Jingdezhen for detailed under-glaze red painting. The arrival of copper-painting at Jingdezhen may slightly predate the introduction there of underglaze cobalt-blue. Copper-red effects at Jingdezhen gradually became more sophisticated, but the material was always difficult to control, as it still is today. One of the problems in achieving a good underglaze-red from copper was the need for a copper colloid to develop in the glaze for the best red colour to appear. For this to happen the glaze had to be thick, of the right composition and fired to the right temperature. Kiln atmospheres and cooling rates also had to be ideal. Cobalt is far easier to use than copper as it simply stains the glaze blue with great reliability. Another difficulty with copper was its solubility, which often rendered the underglaze painting hazy as the copper spread into the surrounding glaze. As such, copper-red glazes are known to be some of the rarest in the world. This bowl comes to us from a New York estate lawyer and will be sold to the highest buyer. As we are unable to chemically test the composition of the copper-red glaze we will conservatively sell it as a later example and ask you to use your own judgment in determing the true age. A beautiful specimen, I've never seen another like it anywhere except museum collections. Provenance: estate consignment from New York
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