Posters to accumulate today for fun and profit.  While cotton and other fibers in paper production over the years, made the most paper products today, from pulp. Pulp, there are two basic varieties: pulp and chemical wood preservatives. Deterioration of the paper, Paper degradation is primary caucuses’ oxidation and acid hydrolysis. In acid hydrolysis, the cellulose fibers are cut to a reaction in terms of heat and acids, which turns brown and brittle paper. The sources of acidification are self lignin, air pollution and the reaction products of oxidation by paper. Although some modern papers are acid free, collectibles most papers are acidic and need special treatment lengthen for their lives. Other factors contributing to the destruction of paper, extreme temperatures and humidity, insects, rodents, mold and improper handling and storage.
keep your paper collectibles cool, dark, dry place. According to the Library of Congress, the preferred material for the preservation of valuable archival material is a polyester film quality such as Mylar type D uncoated DuPont Co because ordinary cardboard itself acidic, storage in cardboard boxes may be hazardous to your collection, and is a major cause of premature wear of paper collectibles.