Rolls-Royce has revealed the second of four special customer-commissioned versions of the Droptail roadster. We saw the first one, called the La Rose Noire Droptail a few days ago at Pebble Beach.

Rolls-Royce Amethyst

The Amethyst has been named by its owner because its the birthstone of the customer’s son. It’s painted in a purple and silver color scheme called Globe Amaranth and it features fine flecks of powdered aluminum to reflect light. At the front the Amethyst’s grille features a bespoke finish that took 50 hours to complete and below the grille there are 202 stainless steel ingots that are painted in the same color as the body.

To turn it into a roadster, the Amethyst features a removable carbon fiber roof panel, with part of it featuring electrochromic glass. The Amethyst’s features “the most extensive wooden surface area” in the brand’s history, which is a beautiful Calamander Light open-pore wood.

Under the hood all Droptails are powered by a twin-turbocharged 6.75-liter V12.

Inside the bespoke watch is a timepiece from Vacheron Constantin.

We don’t know the actual price for the four Droptails, but it’s being reported that they have a price tag more than $20 million.