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At this summer’s Olympia, which runs from June 5 to 15, their showstopper is a lavishly carved giltwood 28-piece suite of Venetian shell furniture.

The shell motif has always fascinated designers and, in the 18th century, Europe’s rich populated their whimsical grottos with Venetian-made shell furniture. This suite dates from the 1880s when grotto furniture was again produced in profusion in Venice. These exotic confections have always had a market among the wealthy, they became fashionable with the glitterati in the 1920s and were a favourite of Helena Rubinstein.

Nowadays Peter Petrou cites a typical buyer as a rock star who wants something distinctive for the bathroom of his second home, and is prepared to spend £4000-18,000 apiece for the luxury.