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.
Often featured in Art Nouveau or nature-inspired filigree designs. 156452 zip
Prices vary depending on the designer and condition, typically listed on marketplaces like Etsy or eBay ranging from approximately $20 to $50 CAD for sets or individual earrings. Based on search results, is not a US
These items are often found with light wear, such as minor tarnishing or surface scratches. Typical Market Value (as of 2026) Era: Predominantly 1950s vintage costume jewelry
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 set with aurora borealis, topaz, or clear rhinestones.
Often found on Sherman (Canadian designer), Les Bernard, and unsigned high-quality leaf or filigree designs.