A diamond necklace that has been worn at two British coronations, and is thought to contain stones from the infamous necklace ...

"There is obviously a niche in the market for historical jewels with fabulous provenances," Sotheby's jewelry specialist ...

These plainer everyday items are often discarded in favour of more elaborate costumes, making their discovery a rarity ... 18th century silk and floral embroidered open dress in the Marie Antoinette ...