A 925 is a trademark indicating the jewelry is made of sterling silver. Here, CZ refers to Cubic Zirconia. A ring with the letters MIZPAH etched on this means “watchtower,” which interprets for “May possibly God look at over you.” S925 ALE 54 refers to an international common for sterling https://eduardoerepz.bloggadores.com/36127760/getting-my-jp88-to-work