1959 Rolls-Royce Silver Cloud I Drophead Coupé Adaptation (H.J. Mulliner style 7504)
- Engine
- 4.9L F-head inline-six, twin 2-inch SU carburetors, 178 bhp

Chassis LSMH57 is a 1959 Rolls-Royce Silver Cloud I Drophead Coupe Adaptation by H.J. Mulliner — one of only 13 built and among just 10 in left-hand drive. Commissioned by Norman Paul Butler, co-founder of Oak Brook, Illinois, with an extensive and costly list of bespoke features, the car was later treated to an exacting body-off restoration by noted coachbuilder Mark Schlachter of Metalkraft Coachwerkes and has since earned multiple concours honours.
Ownership
- —Auction saleSold US$715,000
- 1959-05-15 → 1965Factory deliveryNorman Paul Butlerfull documentation
Founder of Oak Brook, Illinois and the Oak Brook Polo Club. Ordered the car with extensive bespoke features and took delivery in New York; transported the car to Ireland in 1965 to join family at a Tipperary castle.
- 2000 →Acquisition unknownPresent ownerspartial documentation
Commissioned a thorough body-off restoration to factory standards through a specialist coachbuilder, and had bespoke fitted luggage and custom interior accessories made.
Competition
- 2012Rolls-Royce Owners Club National Meeting2012 Rolls-Royce Owners Club National Meeting1st in Silver Cloud/Phantom V Concours class; Shamrock Award for Most Improved Post-War Car
Took two awards at this concours gathering, including both its class and a special improvement trophy.
- 20142014 Ault Park ConcoursCollector Foreign Best of Class; Carl H. Lindner Trophy for Best Rolls-Royce/Bentley
Won two awards at the Cincinnati concours event.
- 20142014 Amelia Island Concours
Vehicle was exhibited at the Amelia Island event the same year as the Ault Park showing.
Maintenance & restoration
- 2000RestorationMetalkraft Coachwerkes
Full body-off restoration carried out to original factory standards, encompassing all aspects of the coachwork and mechanics. Custom fitted luggage was also fabricated to factory specifications for the boot and rear-seat luggage platform.
Restoration led by Mark Schlachter, described as among the foremost coachbuilders in the US. Fitted luggage produced by Taris Charysyn and Company. Owner also commissioned a matching wooden steering wheel, though the original unit is retained and supplied with the car.
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