Metal earrings: You might see some light scratches or minor nicks on the surface, especially on hoops or dangles that bump against things more often. For plated metals, there could be some minor fading or tarnishing of the plating.
Stone or bead earrings: The settings might be a little loose, or some stones might be slightly chipped or scratched. For pearls, there might be some dulling of the luster.
Enamel Imperfections: Enamel fill may have some minor chips, dents or air bubbles. You might also see some minor color bleeding or discoloration, dulling, especially on lighter colored enamels.