![The largest seal used by Chinese emperor Qianlong may potentially fetch a record-breaking HK$120 million at Sotheby’s 2016 autumn auction in Hong Kong. The imperial Khotan-green jade seal celebrates the emperor’s final chapter of his long reign, and is the largest of its kind to exist in a private collection.(Photo: China News Service/Tan Daming)](http://www.ecns.cn/hd/2016/09/09/3ea317bc7ead43bda52bec1daa6748cd.jpg)
The largest seal used by Chinese emperor Qianlong may potentially fetch a record-breaking HK$120 million at Sotheby’s 2016 autumn auction in Hong Kong. The imperial Khotan-green jade seal celebrates the emperor’s final chapter of his long reign, and is the largest of its kind to exist in a private collection.(Photo: China News Service/Tan Daming)
![The largest seal used by Chinese emperor Qianlong may potentially fetch a record-breaking HK$120 million at Sotheby’s 2016 autumn auction in Hong Kong. The imperial Khotan-green jade seal celebrates the emperor’s final chapter of his long reign, and is the largest of its kind to exist in a private collection.(Photo: China News Service/Tan Daming)](http://www.ecns.cn/hd/2016/09/09/4c5c9b62f4964f4d8127489f7ed44ee0.jpg)
The largest seal used by Chinese emperor Qianlong may potentially fetch a record-breaking HK$120 million at Sotheby’s 2016 autumn auction in Hong Kong. The imperial Khotan-green jade seal celebrates the emperor’s final chapter of his long reign, and is the largest of its kind to exist in a private collection.(Photo: China News Service/Tan Daming)
![The largest seal used by Chinese emperor Qianlong may potentially fetch a record-breaking HK$120 million at Sotheby’s 2016 autumn auction in Hong Kong. The imperial Khotan-green jade seal celebrates the emperor’s final chapter of his long reign, and is the largest of its kind to exist in a private collection.(Photo: China News Service/Tan Daming)](http://www.ecns.cn/hd/2016/09/09/b4f294be49b84ec1affe8b2d5640fd81.jpg)
The largest seal used by Chinese emperor Qianlong may potentially fetch a record-breaking HK$120 million at Sotheby’s 2016 autumn auction in Hong Kong. The imperial Khotan-green jade seal celebrates the emperor’s final chapter of his long reign, and is the largest of its kind to exist in a private collection.(Photo: China News Service/Tan Daming)