That's the right car.
Its bonnet looks remarkably like an E-Type bonnet (particularly around the scuttle area), a car which was still 4 years away from appearing when this car was supposedly built.
This car doesn't look to me like it was built in 1957, despite what is written about it..
Any idea which Jaguar it was said to be based on?
Locked for your reply.
And here's that front view: