A new world auction record for Chinese Ceramics was set when a rare Ru guanyao brush washer from Northern Song Dynasty sold for 294.3 million HK dollars (about 37.7 mln U.S. dollars) after a 20 minute bidding battle at Sotheby's in Hong Kong, Tuesday.

Nicolas Chow, a staff member from Sotheby's, presents the extremely rare Ru Guanyao brush washer from China's Northern Song Dynasty at the Sotheby's Hong Kong Chinese Works of Art Autumn Sales in Hong Kong, Tuesday, Oct. 3, 2017. The brush washer fetched HK$294.3 million (US$37,7 million) at the auction, setting a new world record price for Chinese ceramics. (AP Photo/Kin Cheung)

Nicolas Chow, a staff member from Sotheby's, presents the extremely rare Ru Guanyao brush washer from China's Northern Song Dynasty at the Sotheby's Hong Kong Chinese Works of Art Autumn Sales in Hong Kong, Tuesday, Oct. 3, 2017. The brush washer fetched HK$294.3 million (US$37,7 million) at the auction, setting a new world record price for Chinese ceramics. (AP Photo/Kin Cheung)
Nicolas Chow, a staff member from Sotheby's, presents the extremely rare Ru Guanyao brush washer from China's Northern Song Dynasty at the Sotheby's Hong Kong Chinese Works of Art Autumn Sales in Hong Kong, Tuesday, Oct. 3, 2017. The brush washer fetched HK$294.3 million (US$37.7 million) at the auction, setting a new world record price for Chinese ceramics. (AP Photo/Kin Cheung)

Nicolas Chow, a staff member from Sotheby's, presents the extremely rare Ru Guanyao brush washer from China's Northern Song Dynasty at the Sotheby's Hong Kong Chinese Works of Art Autumn Sales in Hong Kong, Tuesday, Oct. 3, 2017. The brush washer fetched HK$294.3 million (US$37.7 million) at the auction, setting a new world record price for Chinese ceramics. (AP Photo/Kin Cheung)

 Nicolas Chow, a staff member from Sotheby's, presents the extremely rare Ru Guanyao brush washer from China's Northern Song Dynasty at the Sotheby's Hong Kong Chinese Works of Art Autumn Sales in Hong Kong, Tuesday, Oct. 3, 2017. The brush washer fetched HK$294.3 million (US$37,7 million) at the auction, setting a new world record price for Chinese ceramics. (AP Photo/Kin Cheung)

Nicolas Chow, a staff member from Sotheby's, presents the extremely rare Ru Guanyao brush washer from China's Northern Song Dynasty at the Sotheby's Hong Kong Chinese Works of Art Autumn Sales in Hong Kong, Tuesday, Oct. 3, 2017. The brush washer fetched HK$294.3 million (US$37,7 million) at the auction, setting a new world record price for Chinese ceramics. (AP Photo/Kin Cheung)

 Nicolas Chow, a staff member from Sotheby's, presents the extremely rare Ru Guanyao brush washer from China's Northern Song Dynasty at the Sotheby's Hong Kong Chinese Works of Art Autumn Sales in Hong Kong, Tuesday, Oct. 3, 2017. The brush washer fetched HK$294.3 million (US$37,7 million) at the auction, setting a new world record price for Chinese ceramics. (AP Photo/Kin Cheung)

Nicolas Chow, a staff member from Sotheby's, presents the extremely rare Ru Guanyao brush washer from China's Northern Song Dynasty at the Sotheby's Hong Kong Chinese Works of Art Autumn Sales in Hong Kong, Tuesday, Oct. 3, 2017. The brush washer fetched HK$294.3 million (US$37,7 million) at the auction, setting a new world record price for Chinese ceramics. (AP Photo/Kin Cheung)

Click to Gallery

Nicolas Chow, a staff member from Sotheby's, presents the extremely rare Ru Guanyao brush washer from China's Northern Song Dynasty at the Sotheby's Hong Kong Chinese Works of Art Autumn Sales in Hong Kong, Tuesday, Oct. 3, 2017. The brush washer fetched HK$294.3 million (US$37,7 million) at the auction, setting a new world record price for Chinese ceramics. (AP Photo/Kin Cheung)

Nicolas Chow, a staff member from Sotheby's, presents the extremely rare Ru Guanyao brush washer from China's Northern Song Dynasty at the Sotheby's Hong Kong Chinese Works of Art Autumn Sales in Hong Kong, Tuesday, Oct. 3, 2017. The brush washer fetched HK$294.3 million (US$37,7 million) at the auction, setting a new world record price for Chinese ceramics. (AP Photo/Kin Cheung)
Nicolas Chow, a staff member from Sotheby's, presents the extremely rare Ru Guanyao brush washer from China's Northern Song Dynasty at the Sotheby's Hong Kong Chinese Works of Art Autumn Sales in Hong Kong, Tuesday, Oct. 3, 2017. The brush washer fetched HK$294.3 million (US$37.7 million) at the auction, setting a new world record price for Chinese ceramics. (AP Photo/Kin Cheung)

Nicolas Chow, a staff member from Sotheby's, presents the extremely rare Ru Guanyao brush washer from China's Northern Song Dynasty at the Sotheby's Hong Kong Chinese Works of Art Autumn Sales in Hong Kong, Tuesday, Oct. 3, 2017. The brush washer fetched HK$294.3 million (US$37.7 million) at the auction, setting a new world record price for Chinese ceramics. (AP Photo/Kin Cheung)
Nicolas Chow, a staff member from Sotheby's, presents the extremely rare Ru Guanyao brush washer from China's Northern Song Dynasty at the Sotheby's Hong Kong Chinese Works of Art Autumn Sales in Hong Kong, Tuesday, Oct. 3, 2017. The brush washer fetched HK$294.3 million (US$37,7 million) at the auction, setting a new world record price for Chinese ceramics. (AP Photo/Kin Cheung)

Nicolas Chow, a staff member from Sotheby's, presents the extremely rare Ru Guanyao brush washer from China's Northern Song Dynasty at the Sotheby's Hong Kong Chinese Works of Art Autumn Sales in Hong Kong, Tuesday, Oct. 3, 2017. The brush washer fetched HK$294.3 million (US$37,7 million) at the auction, setting a new world record price for Chinese ceramics. (AP Photo/Kin Cheung)
Nicolas Chow, a staff member from Sotheby's, presents the extremely rare Ru Guanyao brush washer from China's Northern Song Dynasty at the Sotheby's Hong Kong Chinese Works of Art Autumn Sales in Hong Kong, Tuesday, Oct. 3, 2017. The brush washer fetched HK$294.3 million (US$37,7 million) at the auction, setting a new world record price for Chinese ceramics. (AP Photo/Kin Cheung)

Nicolas Chow, a staff member from Sotheby's, presents the extremely rare Ru Guanyao brush washer from China's Northern Song Dynasty at the Sotheby's Hong Kong Chinese Works of Art Autumn Sales in Hong Kong, Tuesday, Oct. 3, 2017. The brush washer fetched HK$294.3 million (US$37,7 million) at the auction, setting a new world record price for Chinese ceramics. (AP Photo/Kin Cheung)
More Images
Nicolas Chow, a staff member from Sotheby's, presents the extremely rare Ru Guanyao brush washer from China's Northern Song Dynasty at the Sotheby's Hong Kong Chinese Works of Art Autumn Sales in Hong Kong, Tuesday, Oct. 3, 2017. The brush washer fetched HK$294.3 million (US$37,7 million) at the auction, setting a new world record price for Chinese ceramics. (AP Photo/Kin Cheung)

Nicolas Chow, a staff member from Sotheby's, presents the extremely rare Ru Guanyao brush washer from China's Northern Song Dynasty at the Sotheby's Hong Kong Chinese Works of Art Autumn Sales in Hong Kong, Tuesday, Oct. 3, 2017. The brush washer fetched HK$294.3 million (US$37,7 million) at the auction, setting a new world record price for Chinese ceramics. (AP Photo/Kin Cheung)

Nicolas Chow, a staff member from Sotheby's, presents the extremely rare Ru Guanyao brush washer from China's Northern Song Dynasty at the Sotheby's Hong Kong Chinese Works of Art Autumn Sales in Hong Kong, Tuesday, Oct. 3, 2017. The brush washer fetched HK$294.3 million (US$37.7 million) at the auction, setting a new world record price for Chinese ceramics. (AP Photo/Kin Cheung)

Nicolas Chow, a staff member from Sotheby's, presents the extremely rare Ru Guanyao brush washer from China's Northern Song Dynasty at the Sotheby's Hong Kong Chinese Works of Art Autumn Sales in Hong Kong, Tuesday, Oct. 3, 2017. The brush washer fetched HK$294.3 million (US$37.7 million) at the auction, setting a new world record price for Chinese ceramics. (AP Photo/Kin Cheung)

Nicolas Chow, a staff member from Sotheby's, presents the extremely rare Ru Guanyao brush washer from China's Northern Song Dynasty at the Sotheby's Hong Kong Chinese Works of Art Autumn Sales in Hong Kong, Tuesday, Oct. 3, 2017. The brush washer fetched HK$294.3 million (US$37,7 million) at the auction, setting a new world record price for Chinese ceramics. (AP Photo/Kin Cheung)

Nicolas Chow, a staff member from Sotheby's, presents the extremely rare Ru Guanyao brush washer from China's Northern Song Dynasty at the Sotheby's Hong Kong Chinese Works of Art Autumn Sales in Hong Kong, Tuesday, Oct. 3, 2017. The brush washer fetched HK$294.3 million (US$37,7 million) at the auction, setting a new world record price for Chinese ceramics. (AP Photo/Kin Cheung)

Nicolas Chow, a staff member from Sotheby's, presents the extremely rare Ru Guanyao brush washer from China's Northern Song Dynasty at the Sotheby's Hong Kong Chinese Works of Art Autumn Sales in Hong Kong, Tuesday, Oct. 3, 2017. The brush washer fetched HK$294.3 million (US$37,7 million) at the auction, setting a new world record price for Chinese ceramics. (AP Photo/Kin Cheung)

Nicolas Chow, a staff member from Sotheby's, presents the extremely rare Ru Guanyao brush washer from China's Northern Song Dynasty at the Sotheby's Hong Kong Chinese Works of Art Autumn Sales in Hong Kong, Tuesday, Oct. 3, 2017. The brush washer fetched HK$294.3 million (US$37,7 million) at the auction, setting a new world record price for Chinese ceramics. (AP Photo/Kin Cheung)