Materials and Features:

• Modernist Domed Architecture: A sophisticated mid-century statement brooch featuring a sculptural, three-dimensional pinwheel swirl motif with significant architectural depth.

• Boutique Florentine Metalwork: Radiant gold-tone finish featuring specialized archival Florentine texturing (fine cross-hatching) on the ribbon surfaces, creating a shimmering, high-luster contrast.

• High-Density "Golden Era" Casting: A substantial 25g weighted assembly, signifying the "overbuilt" manufacturing standards of Coro’s pre-1955 production.

• Archival Block Hallmark: Authenticated by the pre-copyright CORO block-letter signature, targeting the specialist collector of mid-century American master-mold jewelry.

Type: Standard roll-over safety clasp

Age/Origin: c. 1940s – 1954 / USA

Marks: Signed CORO (Block letters in rectangular cartouche)

Measurements:

• Weight: 25g (Superior high-density boutique heft)

• Dimensions: Approx. 1.875” x 1.75”

Condition: Excellent Condition. The gilded finish remains remarkably bright and crisp with zero pitting or "pinking" to the Florentine texture. The mechanical hardware maintains original high factory tension.