The Deusenberg Model J is widely considered the most significant of all American Classics.

Conceived as a limited run of 500 chassis, the Model J was, more often than not, outfitted with custom coachwork provided by a variety of outside firms such as Murphy, LeBaron, Rollston and Derham.

Of the completed chassis, only 36 supercharged SJ models were built.

Given their extreme rarity, increased performance and added prestige, they are among the most valuable Duesenbergs.

According to the Duesenberg Registry, this standard wheelbase chassis, 2158, was originally fitted with engine number J-292.

After completion at the factory, the chassis received its LeBaron Sweep Panel Phaeton coachwork, which is said to have been finished in burgundy and black from new.

Various sources indicate that the car was originally sold to Martin de Algaza, a noted Duesenberg client and resident of both Buenos Aires and New York City.

Early on, it was believed that the engine was replaced under warranty a...