This model by Auto World is the Chevrolet 1967 Chevelle SS convertible with a 396 L-78 engine, released to coincide with the 50th anniversary of the Chevelle.
Model years for the Chevelle went from 1964 through 1977 and consisted of three generations. This 1967 is the last year of the first generation of the Chevelle and features the 375-horsepower 396-cubic-inch V8. This engine package was a late addition to the 1967 model year resulting in only 612 being sold.
For more information on the history of the Chevelle, please see the extensive Chevrolet Chevelle entry at wikipedia.