1928 Bentley 4 ½-Liter Open Tourer by Vanden Plas 1928 Bentley 4 ½-Liter Open Tourer by Vanden Plas SOLD for $1,435,000 Auction: Bonhams Quail Lodge 2018 © Bonhams Home » USA » California » Quail Lodge » 2018 Bonhams Quail Lodge Sale (1928 Bentleys Announcement) » 1928 Bentley 4 ½-Liter Open Tourer by Vanden Plas