Dozens of US flags used for Donald Trump’s unprecedented second state visit to the UK last month had to be replaced because the stripes were the wrong shade of red, a government supplier has claimed.The switch of the 66 hand-sewn flags that had been due to be used along the Mall in London and at Windsor Castle cost an estimated £52,800 in public funds.Nick Farley, the managing director of the Flag Consultancy, which the government contracts for all big ceremonial events, said the US embassy objected to the £800 flags earmarked for the visit.Speaking to the Telegraph, he said: “The Americans decided that the red we use, which is called R01, wasn’t right for them, and that they wanted a cherry red instead, so we had to buy all new flags for this visit.”He said the switch meant the stars and stripes featured a brighter shade of red than the union flags flown alongside them.“Their red is now stronger than the red on the union flag,” Farley said. “Before a state visit, we have to provide samples and go to the embassies in London to get signoff. Countries find it insulting if we get our colours wrong.”Farley speculated that a sample flag shown to the embassy may have faded slightly due to the sun damage from previous uses including Trump’s first state visit in June 2019.He told the Telegraph: “One part of their flag is red.