New Zealand rugby league star Benji Marshall has handed over the jersey he wore as part of the victorious 2008 World Cup side to the winning bidder in a fundraising auction for families of the 29 men who perished in the Pike River mining disaster.

Marshall, 25, personally presented the keepsake to top-bidder Connell Burke at Sydney's Concord Oval this week, the Blacktown Sun newspaper reported on Monday. It raised $NZ6700 ($A5,222).

"It's pretty sad what happened in New Zealand with the mining tragedy and I was more than happy to help out," Marshall said.

"It's a jersey that means a lot to me, but I'm more than happy to help out."

After the death of his foster father, Mick Doherty, in 2009, the Wests Tigers superstar set up the Benji Marshall Foundation to assist the families of children suffering from cancers.

Marshall will feature in a Footy Rocks black tie dinner in Sydney on March 4 in a fundraising partnership between his foundation and the Children's Cancer Institute of Australia.

In recent weeks, he led the Tigers' clean-up effort in the flood-ravaged Queensland township of Goodna.

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