Introduced in August 1928, the 1929 Cadillac featured only subtle cosmetic changes from the prior model-year, with the side lights moved to the fenders.

Most importantly, the cars now featured safety glass, and were the first across the industry to offer a three-speed synchromesh gearbox.

Now reclassified as the model 341-B, the latest Cadillac continued to ride a 140-inch wheelbase, and it was available with coachwork by either Fisher or Fleetwood in an astounding 45 different consumer body styles.

According to a copy of a Cadillac build record on file, this model 341-B was finished in a two-tone scheme of Drab Dusk over black, and it was dispatched to a Boston dealer in February 1929.

By 1949 the car had relocated to the southeastern states before passing through two different ownerships in Indiana.

In 1959 the Cadillac was acquired by William “Bill” Castle, an automotive craftsman who was a chief project engineer for the Allison engine company, as well as a crew chief at the In...