PHOENIX, AZ.- RM Auctions, the world’s largest collector car auction house, enjoyed a strong start to its 2011 auction season this week, posting a record $30.8 million in sales at its annual Arizona event, with an impressive 96% of lots sold and four automobiles exceeding the magic million dollar mark. Held at the prestigious Arizona Biltmore Resort & Spa, the two-day sale presented 180 quality automobiles, spanning a diverse range of blue-chip automotive marques. Top honors went to a coveted 1949 Ferrari 166MM Barchetta, a matching-numbers Mille Miglia veteran and the 10th of just 25 examples built, which attracted strong interest, achieving $1,870,000. A stunning, superbly-restored 1955 Mercedes-Benz 300SL Coupe also garnered significant attention, spurring a lively bidding war between Europe versus the Middle-East to well-exceed its presale estimate at $1,375,000 – a new auction record f