Porcelain cup with deep sides. The cup has a white body and dark blue finely crackled glaze, which is white at the rim and base. There is an inscription on the base.
- Made in: Jingdezhen
- (Asia,China,Jiangxi (province),Jingdezhen)
- Height: 82 millimetres
- Diameter: 119 millimetres
Inscription CommentJiajing mark in a double ring
Published PDF date : Qing early 18thCRoom 95 label text:
Bell-shaped cup with blue glaze
This bell-shaped porcelain cup demonstrates the Jingdezhen potters’ use of a high-fired monochrome glaze. The cup is covered with a deep, blue glaze coloured by powdered cobalt oxide. It was given one high-temperature firing to fix the colour and the underglaze blue reign mark on the base. The cup's form is innovative to the mid-sixteenth century and was also used for contempory white, yellow and blue-and-white porcelains.
Porcelain with cobalt-blue glaze and underglaze cobalt-blue reign mark
Jingdezhen, Jiangxi province江西省, 景德鎮
Ming dynasty, Jiajing mark and period, AD 1522–66
30 March 2009
Reason for treatment
The object is in stable condition. It presents a small chip on the rim.
The small chip was cleaned so it was filled with Fynebond resin which was bulked heavily with Aerosil 805 fumed silica and coloured with artists' dry ground pigments. Resin was applied with a metal spatula, allowed to cure fully for 2 days, then softened with Acetone on a cotton wool swabs and shaved back to the correct size. Resin was allowed to cure for a further 2 days before being polished with Micromesh fine abrasive cloth (silicon carbide/aluminium oxide) grades 2400, 3200, 3600, 4000, 6000, 8000 and 12000.The surface of the object was cleaned with distilled water and a few drops of Synperonic X, using cotton wool swabs. Afterwards the surface was rinsed with distilled water on cotton wool. The surface was wiped with a dry Kleenex tissue to remove any remaining distilled water.
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Object reference number: RRC39403
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