The £100,000 Price Tag

A prized Jaguar once owned by Princess Diana is expected to sell for £100,000 at a car auction in south Oxfordshire, sparking a bidding war among collectors .

The car,a green Jaguar XJ40 Sovereign, was used by the princess between 1994 and 1997 and has been preserved in a heated garage for decades.

It is expected to spark a bidding war at car auctioneers The Market, of south Oxfordshire.

The car's original service book and a discreet button marked 'security' in the central armrest storage cubby are among the relics of its royal use.

A Royal Relic's Priceless Provenance

Princess Diana's prized Jaguar, which she famously emerged from wearing her 'revenge dress' 32 years ago, is tipped to sell for £100,000.

The princess arrived at the Vanity Fair dinner at the Serpentine Gallery in Kensington Gardens on June 29, 1994, in the then brand new green Jaguar XJ40 Sovereign.

Jaws dropped as she exited the vehicle wearing an off-the-shoulder black evening gown designed by Christina Stambolian.

The statement dress was said to be her public rebuke to Prince Charles after he admitted committing adultery in a TV interview with Jonathan Dimbleby.

Princess Diana wore the famous 'revenge dress', knowing in advance that Prince Charles would publicly admit to his affair with Camilla Parker Bowles during a television interview broadcast that same evening.

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The four-litre vehicle, with 45,000 miles on the clock, has been preserved in a heated garage for decades and is virtually unused since 2014.

In 1997, Diana sold the dress as part of a Christie's charity auction of 79 gowns.

It was bought for £39,098 by Scottish business owners Graeme and Briege Mackenzie.

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The car that Princess Diana emerged from in her 'revenge dress' hours after Prince Charles went public with his affair.

Relics of its royal use include a discreet button marked 'security' in the central armrest storage cubby.

The car, which has a beige leather upholstery interior and comes with its original service book , is expected to spark a bidding war at car auctioneers The Market, of south Oxfordshire.

Mark Livesey, chief executive of The Market said: 'Diana was transported all around London and the UK in this Jaguar and famously popped out of it wearing the black revenge dress after Charles had made a confession to the media earlier that day.'

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The vehicle's value without provenance would be worth £5,000 or £6,000, but with the royal provenance it is really difficult to gauge it.

'To have, or even own, something that belonged to Diana definitely adds an enormous value.'

Mark Livesey,chief executive of The Market, said: 'We previously sold the Queen's Daimler for £105,000 so hopefully this can do similar.'