(http://media.il.edmunds-media.com/ford/thunderbird/2001/ns/2001_ford_thunderbird_f34_ns_80511_196.jpg) A 2001 Ford Thunderbird Sports Roadster concept and a 2005 Ford Shelby GR-1 concept will be featured at the RM Auctions sale August 19 in Monterey, California, with proceeds to benefit the Juvenile Diabetes Research Foundation.
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