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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.

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.

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.

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156452 Zip -

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. 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

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

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.