Among Packard’s catalogued “semi-custom” offerings on the extended 145.5-inch-wheelbase Deluxe Eight chassis of the 1931 Eighth Series, the convertible coupe by LeBaron was among the most attractive and desirable.

It boasted an aluminum body with steel fenders and hood.

The distinctive lines included a wide beltline molding, a subtly curved rear deck and, most attractive of all, a convertible top that folded flush with the body for a clean aesthetic.

So appealing was this “disappearing top” design that Packard would borrow it, almost verbatim, for the factory’s 1932–1934 production coupe roadster.

Only three LeBaron-bodied Deluxe Eight Convertible Coupes are believed to survive.

This car’s vehicle number plate on the firewall identifies it as having been delivered on 10 February 1931, by the Earle C.

Anthony Packard dealership in Oakland, California.

Interestingly, a second, smaller original tag identifies it as a “Used Packard” delivered through the Chicago dealer on 14 March 1...