A man accused of throwing an egg at King Charles III during a walkabout last month appeared in a UK court on Monday charged with a public order offence.
Harry Spartacus May, 21, of Luton, north of London, is charged with throwing the object towards the monarch during his visit to the town on December 6.
The next hearing will take place at Westminster Magistrates' Court in central London on Friday, the BBC reported.
May, who has yet to enter a plea, is accused of using threatening/abusive words/behaviour likely to cause harassment, alarm or distress.
Charles, 74, had been in Luton to meet community leaders and voluntary organisations, open a new Sikh temple and visit a new public transport system.
The incident came less than a month after eggs were thrown at Charles and his wife Queen Consort Camilla in York by a man heard shouting "this country was built on the blood of slaves" and "not my king".
Charles became king on the death of his mother, Queen Elizabeth II, in September. She was buried after a state funeral and 10 days of national mourning.
May remains on bail.