Since Jin Zhangzong, this thin golden body has been shelved as an antique.
Yuan, Ming and Qing dynasties or imperial examinations. Generally speaking, writing must learn from Europe. After Zhao Mengfu, learn from Europe and Zhao in the Ming and Qing Dynasties, and learn from Yu Shinan, Chu Suiliang and others at most.
Thin gold calligraphy has not been regarded as orthodox calligraphy until today, and it has always been regarded as a variant of orthodox regular script.
However, the visual beauty of Bojin calligraphy can not be ignored. Contemporary calligraphy lovers, some learn thin gold lettering, and some write well.
For example, "Xijiang Yi Shi" Jinsheng Qiu:
Other well-written writers include Liu Zuoren, a member of Beijing Calligraphers Association.
In others, the level is average.
You can visit Jinsheng Qiu. There are many videos, pictures and tutorials on the Internet.