The US company that makes Barbie dolls is releasing a special set of William and Kate dolls today to mark their first wedding anniversary on 29 April. Is this kind of memorabilia ever likely to be worth anything?

Tracy Martin, a collectibles expert from Stacey's Auctioneers in Essex, and James Grinter from Reeman Dansie's Auctioneers which specialises in Royal memorabilia, analyse if it is just tat or a potential heirloom.

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