As early as the T'ang Dynasty, the official seals of the T'ai-tsung emperor and the Hsuan-tsung emperor appeared on paintings, books, and porcelain of the national treasury.
到過國立中央圖書館善本書室的人，幾乎都會被饒富古趣的藍皮書匣、溫潤泛黃的棉紙、工整的楷書深深吸引。而乍看不太起眼、卻令人玩味再三的，可就是古籍首頁上朱白相間、斑爛燦麗的各式收藏印了。源遠流長的「收藏印」