From RROCA-info
Number produced: 18
Original Specification: 8 cylinders (in-line), overhead inlet and side exhaust valves,
92 mm. x 114.3 mm. (5675 c.c.), single-plate clutch, 4 speeds, brakes hydraulic
front and mechanical rear with servo, suspension independent front and
semi-elliptic rear, wheelbase 145", tyres 7.00 x 17.
| Chassis No. | Year | First Owner | Body |
| 4AF2 | 1950 | HRH Princess Elizabeth | H.J. Mulliner limousine |
| 4AF4 | 1950 | test vehicle | subsequently dismantled |
| 4AF6 | 1951 | The Shah of Persia | H.J. Mulliner drophead |
| 4AF8 | 1951 | Emir of Kuwait | H.J. Mulliner saloon |
| 4AF10 | 1951 | HRH Duke of Gloucester | Hooper limousine |
| 4AF12 | 1952 | HRH Duchess of Kent | Hooper limousine |
| 4AF14 | 1952 | General Franco | H.J. Mulliner limousine |
| 4AF16 | 1952 | General Franco | H.J. Mulliner limousine |
| 4AF18 | 1951 | General Franco | H.J. Mulliner allweather |
| 4AF20 | 1952 | The Aga Khan | Hooper sedanca deville |
| 4AF22 | 1952 | Prince Talal, Saudi Arabia | Franay cabriolet |
| 4BP1 | 1953 | King of Iraq | Hooper limousine |
| 4BP3 | 1953 | Prince Regent of Iraq | Hooper limousine |
| 4BP5 | 1954 | HM Queen Elizabeth II | Hooper landaulette |
| 4BP7 | 1954 | HRH Princess Margaret | H.J. Mulliner limousine |
| 4CS2 | 1955 | Emir of Kuwait | H.J. Mulliner saloon |
| 4CS4 | 1956 | Emir of Kuwait | H.J. Mulliner saloon |
| 4CS6 | 1957 | The Shah of Persia | Hooper limousine |