You see it the most when the film cuts to stock footage and back. And the stock footage holds up, it’s just not the freshest material.
In Roman Holiday, you see the sights of Rome in 4K, as well as Audrey Hepburn’s face. There are some good shadows in the night lit streets. At night, the water is as black as the sky it reflects.
You also still see authentic film grain in this transfer.
The enclosed Blu-ray also includes the Leonard Maltin spotlight feature.