This article serves as a helpful guide for library patrons who are researching the value of collectibles. It covers a wide range of categories, including jewelry, coins, sports memorabilia, art, fine china, and rare books and archives. The article emphasizes the importance of appraisals and research in determining the value of collectibles, taking into account factors such as condition, rarity, quality, and maker. It also provides tips on protecting and preserving collectibles, as well as information on insurance options. As an example, the article mentions a first edition of Ernest Hemingway's novel, For Whom the Bell Tolls, which is being sold for $2,649.95 on a rare book website. This information may be of interest to library patrons conducting research on Hemingway's works or the value of rare books. [Extracted from the article]