What era is this blue rhinestone pin from?

This blue rhinestone pin is from the 1950s, reflecting the mid-century atomic style popular during that decade.

What defines an atomic starburst design in vintage jewelry?

Atomic starburst designs feature radiating lines or spikes resembling bursts of energy or stars, a motif inspired by the atomic age and space exploration themes of the 1950s and 1960s.

What materials are used in this 1950's blue rhinestone pin?

The pin is made with blue rhinestones set in gold-tone metal, typical of costume jewelry from the 1950s.

What is costume jewelry?

Costume jewelry refers to affordable fashion jewelry made from non-precious metals and simulated stones like rhinestones, designed to complement outfits without the cost of fine jewelry.