Theresa May will present Donald Trump with a traditional Scottish cup of friendship when she meets him in the White House this week.

The gift of an engraved quaich reflects the US President's Scottish ancestry, as the son of of Mary MacLeod from the Isle of Lewis.

The two-handled drinking bowls have been exchanged by Highland clan chiefs for centuries as a token of hospitality and a symbol of kinship.

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Pronounced "quake", the cup's two handles are intended to signify trust on the part of the giver and the receiver.

Mrs May will also present First Lady Melania Trump with a hamper of produce from the Prime Minister's country residence Chequers, including apple juice, damson jam and marmalade, as well as Bakewell tarts and cranberry and white chocolate "shorties".