Period Pieces

Clockwise from top left: Austrian crystal '20s-style necklace with Lucite pendant, about $280, and polished pewter choker with Austrian crystals, about $230, both by Isaac Manevitz for Ben-Amun, ben-amun.com. Swarovski crystal cameo brooch with rhinestone accents, about $200, Maria Elena Headpieces, mariaelenaheadpieces.com. Two-leaf Austrian crystal pin, about $135, RJ Graziano, 212-685-1248.

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