The Barber Museum is is auctioning these from their collection of celebrity motocross bikes, Bonhams at the Barber Museum next weekend Thanks Doug!

Steve McQueen Husqvarna used during the filming of On Any Sunday

Jim Pomeroy Pursang Bultaco

Peter Fonda Pursang Bultaco, ridden in Easy Rider

Dennis Hopper Husqvarna

Paul Newman movie ridden CZ 250

Steve McQueen owned Vincent

and this was a gift from the Honda Factory to the Jackson 5

https://www.bonhams.com/auctions/25100/#/aa0=2&MR0_length=100&w0=list&aj0=lot_number_asc&m0=0