BLENHEIM, ON.- RM Auctions, the world’s largest collector car auction house for investment-quality automobiles, will lift the curtain on a famous 1932 Packard Twin Six Individual Custom Convertible Sedan, purchased new by American entertainer Al Jolson, and a unique 1939 Pontiac Plexiglas Deluxe Six “Ghost Car”, America’s first transparent car, when its St. John’s sale gets underway, July 30 in Plymouth, Michigan. Held in conjunction with the renowned Concours d’Elegance of America at St. John’s, the upcoming RM sale – formerly known as the Meadow Brook auction – will provide a wonderful celebration of America’s rich automotive history with some 70 collector cars set to go under the gavel. Among the star attractions – no less than 13 Packards; nine Cadillacs; seven Fords; five Oldsmobiles; two Duesenbergs; and the eye-catching Pontiac ‘Ghost Car’. “RM Auctions