Seals of the Qing Dynasty Emperor 120 Billion SoldOne of the most in search of stone are stamped, when the era of empire in China are still using stone as the seal of the letter states. This seal is never used in the Qing Dynasty, and became the most expensive artwork.
Sotheby's offered by a few days ago, and sold with very fierce bidding. A white jade used as an imperial seal, sold for 12.4 million dollars in Hong Kong. 2 times the previous value, which in 2007 had purchased earlier.