Then press and flatten the poster or pages. This is time consuming, but worth it. Certain chemicals will also work. Please research before you try anything. Also newspaper clippings and the original mailing covers will cause damage through acid migration.
High humidity causes mold to form and a very dry climate cause embrittlement.
Help your collection to avoid them. If you must leave your collectibles in a vehicle, prevent direct sunlight from hitting them. Use a blanket or closable boxes. Archival boxes with lids are ideal. To purchase the Surfing Collectibles Guide , click here .