The note (pictured) is dated April 25, 1988 and is hand-written on Kensington Palace paper in black ink. The family of the letter's recipient, Lance Corporal Jones, put it up for auction.
Queen Letizia of Spain looked typically stylish on Thursday as she attended the National Innovation and Design Awards in Las Palmas, Gran Canaria, with her husband King Felipe.
His fans reacted with hilarity, writing comments such as: 'Who trains in leather pants ??? Only Lenny does,' interspersed with crying laughing emoji and: 'Lenny is himself at all times.'