The 1963 Cartier three-strand Caro Yamaoka pearl necklace worn by Marjorie Merriweather Post in a photograph. Image: Courtesy Hillwood Estate, Museum and Gardens

The 1963 Cartier three-strand Caro Yamaoka pearl necklace worn by Marjorie Merriweather Post in a photograph. Image: Courtesy Hillwood Estate, Museum and Gardens.

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