Osceola "Ozzy" Fletcher was an American war hero, scholar, and avid collector of Whitmaniana.

Visit Bonhams Hong Kong from 17 November - 2 December to discover the best of art and luxury.

For over a hundred years, cocktail rings (also known as dress rings) have been the life and soul of the party.

When speed-addicted Futurism met quirky British artists, the result was visionary linocuts from the Grosvenor School, says Mark Hudson

The CoBrA artists arose in fury from the ashes of the Second World War. Collector Karine Huts tells Lucinda Bredin what the movement means to her

William Waldorf Astor fell in love with Pompeii – and then with a rundown castle in Kent. So only a Classical masterpiece would do for his garden, says Susan Moore

He was the Duke of Verdura. She was Coco Chanel, queen of haute couture. Together, they made epoch-defining jewellery, says Vivienne Becker

Julianknxx found the ideal space for the world he wanted to show

For Charlie Thomas, embarking on a new valuation feels like discovering Tutankhamun's tomb. He talks to Sasha Thomas