Wellwisher gives King Charles a pen 'just in case' after first days of his reign are beset by ink disasters. This follows a string of ink mishaps during the King's visit to Northern Ireland ...

Send the pen guy to the Tower! Moment King Charles furiously motions for aide to move ink pot as he signs proclamation (before eagle-eyed viewers spot him 'stealing' the pen) ...

Unlike dip pens of the past, a fountain pen possesses an internal reservoir of ink. You don’t need to dip the pen into an ink pot. Once upon a time, fountain pens needed ‘eye-droppers’.

He did so using a fountain pen with black ink from a small silver pot. Camilla and William also used the pot when they signed the documents, the Mirror newspaper reported.