2023-09-02问：for Countess Louise of Savoy
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2023-09-02问：works of art.
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2023-09-02问：so expensive material
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2023-09-02问：number of surviving European
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2023-09-01问：Preserved about 300 thousand.
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2023-09-01问：for Countess Louise of Savoy
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2023-09-01问：reproduced by hand, in contrast
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