Reticulation is a process where a layer of sterling silver is melted onto a layer of copper on both side in a ctrolled manner to produce a highly textured surface.  Wears as sterling. Sterling ear wires

Treat as you would sterling.  The earrings are given a surface patina which will wear on higherridges of the earrings over time.  A treated polishing cloth will remove some of the patina with repeated use.