The skintight costume that Olivia Newton-John wore as Sandy in Grease is up for auction on November 2. The money raised will go towards the actress’ cancer treatment center in Sydney. Expected to raise up to $200,000, according to Julien’s Auctions in California. The costume is among 500 items that Newton-John is selling as part of the auction. Other items include her original script from the film, estimated at up to $4,000 and the pink gown she wore to the Grease premiere in Los Angeles, estimated at $3,000–$5,000.