- trademark, trademark is used in Dunhuang color printing, paper texture is very strong, touch has obvious concave convex. And the trademark
- pattern fairy holding pipa. Carefully check is a fairy facial features.
- 商标，敦煌古筝的商标采用特殊的彩色印制，纸质坚硬，摸上去有明显的凸凹感。商标上的仕女图持有的是琵琶，请认真检查这个明显的标记。
