This series inherits the style of China Post stamp sheetlet in duplicate, and combines personalization. It is a series with great collection value, and it is still being released continuously. This link includes: GPZ- Try the special craft double list of the Forbidden City-Palace Museum, GPZ- 1, the special craft double list of the bull-four-wheeled cow, GPZ-2, and so many special craft double lists of beautiful mountains and rivers.