Luxury August 5, 2014updated 11 Jan 2016 2:20pm Largest Private U.S. Residence to be Offered at No-Reserve Auction By Spear's SUPREME AUCTIONS OFFERS SERENITY RIDGE, A 70-ACRE RETREAT NEAR DENVER, AT ABSOLUTE AUCTION SEPT. 27 Content from our partners Abu Dhabi’s super-prime market: culture and lifestyle fuel rise as a global powerhouse Lagos Private Wealth Conference 2025: Shaping Africa’s Legacy of Prosperity From bold beginnings to global prestige: the legacy of Penfolds Bin 707 Related Luxury 100 Princes Street: a luxurious bolthole in the centre of Edinburgh Luxury Gstaad Guy x Bentley: ‘If you know, you know’ Luxury Venice Biennale defined by union of art and commerce – and the rise of private sales Spear's