Think I've just seen this at Pebble on someone's Instagram. Glad you drew attention to it as it's beautiful. The one at Pebble was labelled as an XK140 though... will do some research and share what I find.
....found in the States and shipped over to the UK for restoration. It's a 1954 XK120 SE with body by Pininferina. Straight 6, 3.4 litre engine. I think it is stunning. John. (thanks to the Mail for photos). ...