1, with different fonts, there were four-character regular script and seal script in Qianlong period, and regular script in Republic of China period.

2, the time is different, Qianlong period is the Qing Dynasty, and the Republic of China period is the Republic of China.

3. The official kiln mode is different from the private kiln mode. The official kiln model of Qianlong was written in blue and white, but the model of the Republic of China did not have this feature.