Cover of a book published in an alternate timeline, where Sinkiang and Manchuria are not part of China, due to longer Japanese presence and different civil war. While China is still communist ITTL Chinese flag is designed not to resemble Soviet flag, because of definite Sino-Soviet split and hostility ITTL. Sinkiang/Uyghuristan is a Soviet puppet state. Manchuria is trying to remain neutral and maintain delicate balance between China, Soviet Union and their former masters, the Japanese Empire.
This bookcover does not in any way relate to situation of China in our timeline.
*Those are the same symbols that are used on Turkish flag.
I am sure I have seen that flag before, it's from the warlord era I think.
The way you made the stitching, and realistic fabric . . . wow.