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With his fortune estimated at anywhere from £640million to £2billion, there's little doubt that King Charles III has the means to purchase virtually whatever takes his fancy. This presents a considerable challenge for friends, family members, and admirers as he celebrates his 77th birthday.

"That's the question," says Grant Harrold, the King's former butler. "What do you give the person who has everything?"

Grant, who served His Majesty from 2004 to 2011, reveals that the monarch, whom Alan Titchmarsh has dubbed "the best royal gardener in history," has consistently favoured presents he could put to use in his cherished Highgrove garden.

"He would always ask for things for the garden," Grant exclusively told The Express . "He's previously asked for benches, plants a

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