JOHN AND YOKO 1971: Former Beatle John Lennon, in sunglasses and flat cap, after he arrived at London Heathrow from New York. With him came his wife, Yoko Ono (left), whose paperback book 'Grapefruit' is to be published by Sphere books. * 06/12/00: Yoko Ono, widow of music legend John Lennon, called for the world to reflect on the horrors of gun violence in a message to mark the 20th anniversary this week of his death. 25/01/01: An art gallery was prosecuted for showing drawings of the couple having sex, because police feared the singer's,"great influence on young people", according to official files made public. The charges against the London Arts Gallery and its American owner, Eugene Schuster, for exhibiting "indecent prints" were thrown out by magistrates in April 1970 on a legal technicality. 27/3/2001: Lennon's pride and joy, his made-to-order limousine, was being auctioned after more than 200,000 was spent on its renovation. The Mercedes-Benz 600 Pullman Limousine, with an unique black velvet interior, was exclusively designed in 1969 and has been renovated by Finnish collector Mikael Borgman. More than 30-years-old, the car is being auctioned at Fleetwood Owen's Rock Legends Sale at London's Hard Rock Cafe at 7pm. *23/03/04: Acording to official files made public John Lennon's graphic drawings of himself having sex may have escaped conviction for obscenity because of fears art collections throughout the country could have fallen foul of the law if the case succeeded.