Bidding opens on eBay Monday for an online auction of 50 "priceless moments" with renowned South African and international figures to raise money for seven African children's charities.
Up for grabs is afternoon tea with anti-apartheid icons Mandela and Albertina Sisulu. Also up for grabs is a visit to one of Richard Branson's charity projects with Branson plus two nights at the entrepreneur's private safari lodge.
Bidding for tea with Mandela which is expected to be the hottest item opens at 1400 GMT on Monday and other items will be posted at five minute intervals.
Bidding on the world's biggest online auction site eBay lasts until May 24.