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.

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.

Often featured in Art Nouveau or nature-inspired filigree designs.

Often found on Sherman (Canadian designer), Les Bernard, and unsigned high-quality leaf or filigree designs.

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

These items are often found with light wear, such as minor tarnishing or surface scratches. Typical Market Value (as of 2026)

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.