Paper Treasures: 9 kinds of ephemera worth checking

“Old paper” can be surprisingly collectible, but value depends on what it is, how rare it is, and how it survived. Before you flatten, clean, or frame anything, sort by category and take a few clear photos—many paper items lose value from rushed repairs, trimming, tape, or heavy handling. Use this one-image grid as a fast visual sorter, then photograph the details that matter for authentication and market pricing.