From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Note about the licence for chassis number 7-EX, CH. 5412.
| Identifier | ExFiles\Box 76\1\ scan0353 | |
| Date | 1st May 1926 | |
| X677 Hs.{Lord Ernest Hives - Chair} D/L3/D1.5.26. Chassis No. 7-EX - CH. 5412. Herewith Licence 0,585,382 to December 31st. next for the above car. D.L. | ||