Antiques Roadshow, the star noticed something "completely wrong" with a guest's Cartier watch. John has previously credited his most memorable find being an antique Cartier watch and was thrilled to see a similar version make its way to Stoner Park.A guest on the show wanted to receive a valuation for his wife’s most cherished piece of jewellery and John was more than happy to assist.Despite the excitement that both John and the guest shared, expert John noticed that the watch wasn’t an original from Cartier.Admiring the watch John firstly began by saying: "Well, this is an absolutely charming little bracelet watch and I have to be honest with you, it reminds me of the very first piece of jewellery that I ever recorded on a Roadshow nearly.
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