VIETNAM, Reign of Emperor Thieu Tri (1841-1847) Rare "Ngoc Bài" function plate in white jade, rectangular in shape, with engraved decoration in light relief of dragon friezes on one side, and grecques on the other. The central part of the front features four ochre sinograms "Thieu Tri Sac Tu", meaning "given by Thieu Tri". Height: 12 cm Width: 4 cmProvenance: French private collection, handed down by descent.

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