China is the earliest country in the world to record meteorites. "Spring and Autumn" notes: "(Lu Yugong) for ten years, spring, Wang Zhengyue, and Shenshi in the Song Dynasty." In the Song Dynasty, Shen Kuo's "Meng Xi Bi Tan" was recorded. Changzhou meteorite in 1604: "In the first year of Zhiping, when Changzhou was in the sun, the sky was loud and thunderous. It was a big star. It was like a moon. It was seen in the southeast. It was a little shocked and moved southwest. It fell in the Xun's Garden in Yixing County, and it was seen from far and near. The fire was shining in the sky, and the Hsu's hedges were all burned. It was a fire, and there was a glimpse of the earth, extremely deep, and the lower view. Among them, Ying Ying Ran. It has been dark for a long time, but it is still hot. For a long time, it is three feet deep, but it has a round stone, still hot, its big as a fist, a sharp, color like iron, heavy also Such as this." This text not only records the fall process of the meteorite, but also describes its size and texture, which is the earliest document that can be proved to be a meteorite. 只要掌握好收藏粮票的基本原则，投资收藏粮票前景还是非常可观的。粮票反映了中国各个历史时期的社会经济状况，所以有很高的收藏价值。那么什么样的粮票收藏价值较高呢？
