DENVER – On October 23-24, Bruhns Auction Gallery will auction the lifetime art and antiques collection of Jack and Linda Keenan, on-site at their elegant Colorado home. The sale features approximately 900 lots of European antiques dating to the 17th, 18th, and 19th centuries, as well as ensembles and accessories from top fashion houses. Absentee and Internet live bidding will be available through LiveAuctioneers.