Back to all Articles 6/26/2015 - The Pinnacle Portfolio Collection of Supercars headed to RM Sotheby's auction On Thursday, August 13th, RM Sotheby's will offer the most valuable single collection of motors cars ever presented at auction. Check out the lineup on RM Sotheby's website. Interested in Purchasing a Car at Auction? Pre-Apply for an upcoming auction APPLY NOW