156452 — Zip

Frequently found in gold-plated or silver-toned metal, often set with aurora borealis, topaz, or clear rhinestones.

Based on search results, is not a US Zip Code, but a widely recognized Vintage Jewelry Patent Number associated with earring hardware used by several high-end makers during the 1950s. Overview of Pat. 156452 Item Type: Clip-on earring mechanisms/designs. Era: Predominantly 1950s vintage costume jewelry. 156452 zip

Frequently used on gold-tone filigree, dangling clip-ons, and rhinestone-studded pieces. Identifying Features of "Pat 156452" Jewelry Marking: Usually stamped on the back of the clip mechanism. Frequently found in gold-plated or silver-toned metal, often