Steve Cohen
Damien Hirstarchive
Damien Hirst in talks to replace rotting shark
The 1991 work, bought by Steve Cohen from Charles Saatchi for £6.5m, has deteriorated because of the way it was made
Art marketarchive
Rumoured sale of Damien Hirst's formaldehyde tiger shark to US billionaire Steve Cohen confirmed by Saatchi Collection
Scepticism surrounds the supposed value of $12 million