Here's a couple of photos from completely different vantage points, but both captured at around the same time.
The Royal entourage were in town for the opening of the Tay Road Bridge in August 1966 and stopped off at the Angus Hotel, inevitably drawing a large inquisitive crowd.
Although the photographer in the crowd was suffering from a touch of camera shake, you can see the 3 cars are in the same position as the image above it.
Quite a coincidence that these are the only photos I have of this moment, and the two of them appear to have been taken almost simultaneously!
B&W photo from the Scotsman.
Colour photo from Gordon C.