Skanks | Mature

: Submerging paper in a tray of coffee or tea is a classic "magic" technique to create an instant antique appearance.

If your query refers to making "proper paper" look "mature" (aged or vintage) for a project, several paper aging techniques can achieve an authentic look: mature skanks

The terms you mentioned often surface in discussions regarding media representation and the evolution of slang in modern life: : Submerging paper in a tray of coffee