一个国家的邮票艺术的基础,在于这个国家的文化积淀。美国的历史太短,所以,美国文化如果不靠拼命向外攫取,以及瞬息万变、出人意料的革新,几乎就拿不出多少有价值的东西。欧洲则不同,意大利尤其富有传统。一种名叫卡拉拉的雪白大理石,帮了米开朗基罗以及其他雕塑家很大的忙。卡拉拉有奇异的透光能力,光线从12.7～38毫米深层结晶体的表面得到反射,因此,雕 The stamp art foundation of a country lies in the cultural heritage of this country. The history of the United States is too short. Therefore, if American culture does not rely on desperation to seize it and its ever-changing and unexpected innovations, it will scarcely have any valuable things to come by. Europe is different, and Italy is particularly traditional. A white marble called Carrara helped Michelangelo and other sculptors. Carrara has a unique translucent ability to reflect light from the surface of a deep crystal of 12.7 to 38 mm. Therefore,