Hello Piter,
I just found this bowls in a local auction house . Please give me your opinion is this bowl of the perios.
First yellow blue bowl Qianlong (1736-1795) period mark . Diameter - 16 inches
Another bowl( 1796-1820) reign mark. Diameter - 14 inches.
Thanks Peter For help,
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As to the porcelain item, I'm afraid I cannot help with this. This is not in my range of items.