This is an interesting drawing.
It is by the coach builder Freestone and Webb Ltd and is on the chassis of 1957 Rolls-Royce Silver Cloud.

It is a 2 seater drop head coupe Body No. 1827, Design No. 3423C. With fins if you did not notice.
Here it is in real life, in 1957 I think.

The rear fins are not its only party piece. So is its electronically controlled roof. Quite futuristic.

This car was exhibited at Earls Court in 1957 by Freestone and Webb Ltd.

The car was named the Honeymoon express, due to only having 2 seats, and quite large boot space. Nice and appropriate.

Here is the brochure if you were looking to order one in 1957.

Three cars were made with this body design, two Rolls-Royces and a Bentley.
Here is the first, chassis number SGE270.

This was the one displayed at the motor show in 1957.

The second, chassis number SED179, from 1958 which is sometimes on display that the Petersen Museum in LA
here.

I'm not quite sure which had the best honeymoon.
Now to the Bentley.

The chassis number is B377EK, and I do like the colour!


Here is another picture of the car presumably before a colour change.

The is Bentley is apparently also in the USA.
Thanks to Flickr users
BentleyBoy,
RR-B and
rroyce0615 for tracking all of them down.