The auction playmate her outfit and shoes he used when he joined in marriage to the owner of Playboy, on 31 December.
The proceeds will go to the
Leukemia and Lymphoma Society in honor of the tycoon's secretary, Mary O'Connor, who died last week.
"I'll put my dress on sale to raise money to fight lymphoma in memory of Mary", the model wrote on her Twitter.
The 26 year old also posted on social networking site a link to www.charitybuzz.com, where people can make their bids for the bridal dress and shoes.
Both items are valued at 7000 $ 500, the auction ends on February 11.