In the 1950s American car enthusiasts clamored to attend GM’s traveling Motorama, a no-holds-barred display of astounding technology and exquisite styling.

A series of dramatic styling exercises captivated the public—but most were not for sale.

Three very special cars were made available for purchase by General Motors by the few who could afford the startling price tags and who also had the influence needed to secure one.

They were the Oldsmobile Fiesta, the Buick Skylark and the Cadillac Eldorado; all three models are coveted by collectors today.

Ownership of all three is effectively considered a “Triple Crown” in the hobby.

The Oldsmobile Ninety-Eight model was always the top model car that Olds offered.

In 1953, it was made even richer with a limited production run late in the model year.

Called the Fiesta; then as now, it is recognized as a very rare five-passenger convertible.

The Fiesta had nearly every option that was offered by Olds, including a wraparound windshield, “...