What is the relationship between Bonhams and auction in the context of the input sentence. Choose an answer from: product/material produced; manufacturer; distributed by; industry; position held; original broadcaster; owned by; founded by; distribution format; headquarters location; stock exchange; currency; parent organization; chief executive officer; director/manager; owner of; operator; member of; employer; chairperson; platform; subsidiary; legal form; publisher; developer; brand; business division; location of formation; creator.

The 4 dollar (USD) Coiled Hair Stella, which was struck in the U.S. but never released for circulation, brought an astonishing 2,574,000 dollars (USD) at auction by Bonhams in Los Angeles on... on.aol.com

Answer: industry