BINGWU YEAR, CORRESPONDING TO 1786 " /> AN IMPORTANT AND EXTREMELY RARE IMPERIALLY INSCRIBED GREENISH-WHITE JADE "TWIN FISH" WASHER , CHINA, QING DYNASTY, QIANLONG INCISED FOUR-CHARACTER MARK AND OF THE PERIOD, DATED BY INSCRIPTION TO THE CYCLICAL <I>BINGWU </I>YEAR, CORRESPONDING TO 1786 | Christie's