8 x Large Indianapolis 500 Post Cards - circa 1950s

Lot of 8 Large (6" x 9") Official Indianapolis Motor Speedway post cards issued in the 1950s:

Bill Vukovich / 1953 Fuel Injection Special
Johnny Parsons / 1950 Indy Winner
Jimmy Bryan / 1957 Dean Van Lines Special
Tony Bettenhausen / Agajanian Special
Pat O'Connor / Sumar Special
Fred Agabashian / Bowes Seal Fast Special
Fred Agabashian / Federal Engineering Special
Jack McGrath / Hinkle Special