1911 Oldsmobile Autocrat

Original purchaser; had the factory bodywork replaced with a custom aluminum boat-tail body of his own design and developed an unconventional exhaust-heat gas-generating fuel system. Used the car both for racing and for annual Helldorado parade duties in Tombstone, Arizona, storing it locally between events.

Relocated to Tucson after her husband's death and maintained the car there for approximately four years before selling it.

Well-known collector and longtime friend of the Albert family; published a detailed article on the car in Antique Automobile (March–April 1977), a copy of which remains in the vehicle's file. The car was in largely original condition when he acquired it.

Florida collector whose holdings were characterised by historian Dennis Adler as focused on powerful, rugged automobiles. The car remained in this collection until 1999.

Enthusiastic touring owners from Grosse Ile, Michigan, who accumulated over 15,000 miles across North America with the car. Commissioned a fresh restoration completed in 2008, after which the car was shown at Meadow Brook.

Texas-based owner who undertook a comprehensive restoration, removing Albert's custom fuel system and replacing the modified engine cover. Subsequently entered the car in endurance rally competition.

Acquired from the Bray family some years prior to the sale; continued active touring use and professional maintenance within a notable private collection.

Car skidded on a wet board surface, went off into roadside vegetation, re-entered the course, and passed numerous competitors before being forced to retire due to an engine fire; account comes from the owner's own recollection.

First of three consecutive participations under Curtis Graf's ownership.

Best recorded result across the three-year run of participation.

Final year of participation under Graf's ownership.

Participated under Bray ownership as part of extensive North American touring activity.

A roughly 3,000-mile tour traversing the Canadian Rockies, undertaken by the Brays.

Displayed immediately upon completion of the Brays' restoration.

Owner drove with his chauffeur Columbus Ridge serving as riding mechanic across multiple events; few surviving period records confirm specific results.

Annual civic parade in Tombstone, Arizona, founded by Albert in 1929; the car transported the Helldorado Queen each year and participated regularly until Albert's death in 1968.

Factory Tourabout coachwork was stripped and replaced with a custom lightweight aluminium boat-tailed body designed by Albert himself. A bespoke exhaust-heat gas-generating system was also engineered and fitted to the engine.

Work carried out by Albert and his chauffeur Columbus Ridge.

Two-week refurbishment by Albert: bodywork repainted in fresh yellow and black enamel and new tyres fitted.

Described by Albert himself as a restoration, though limited in scope.

Comprehensive restoration commissioned by the Brays following extensive touring use of over 15,000 miles.

Car was shown at the Meadow Brook Concours d'Elegance upon completion and received a Best in Class award.

Car was adapted for road and parade use through the addition of a 'mother-in-law' seat and a collapsible fabric hood.

Fitted prior to Albert's annual Helldorado parade duties beginning in 1929.

Annual recommissioning carried out each year ahead of the Helldorado parade; car was stored at a Tombstone garage between events.

Routine seasonal preparation repeated over several decades.

Full restoration carried out by Curtis Graf, which included removal of Albert's bespoke fuel-injection system and replacement of the modified engine cover.

Date not specified; undertaken during Graf's ownership, prior to 1984 Great American Race entries.