How big is the seal script of Xuanhe and Bao Tong Xiaoping?

It's best to add some pictures of Xuan He and Bao Tong. The following are the details of Xuanhe Bao Tong.

It was cast in the Xuanhe period of Song Huizong119 ~1125, and Qian Wen Xuanhe was named by the emperor in Xuanhe Hall.

Bao Tong is divided into seal script and official script, with a straight reading diameter of 22-25mm, a folded diameter of 26-28mm, a folded diameter of 29-30cm, a folded diameter of 30-33mm and a folded casting pattern of 34-37mm.

When Xiaoping visited Shaanxi five times, the five seals on Qian Wen's back were all thin gold, with five dollars in thin gold and silver. In addition, there are five kinds of official script Xuan and Bao Tong regular script on the back of Shaanxi, and they are picked up on the back of Shaanxi, which are new products of hundreds of kinds of backs in Shaanxi. It's a trial casting style, which is extremely precious.