Big-money headliners at Worldwide Auctioneers’ Houston Classic Auction on April 25 include a 1955 Moretti 1200S (Worldwide estimate: $750,000–$950,000), a 1989 Lamborghini Countach 25th Anniversary Edition ($400,000–$500,000) and a 1959 Porsche 356A 1600S Convertible D ($210,000–$230,000). The sale takes place alongside the Concours d’Elegance of Texas. View all the consignments here.