While we're all at the greatest single day car event in the world, we hear some people decided there's something going on on our nation's left coast. Whatever. The Pininfarina Hyperion — a Rolls Royce Phantom Drophead Coupe with a coachbuilt body — has been unveiled at the Pebble Beach Concours. Its owner, Roland…

The coolest thing about the Pininfarina Hyperion isn't its swooping, yacht-influenced lines or abbreviated passenger compartment. It's that this isn't a concept car, it's a one-off coach-built special commissioned by a wealthy enthusiast. Other details on the Rolls Royce Drophead Coupe special haven't yet emerged, but…