Rustic vessel sinks go way back in antiquity and their beauty is there to stay. If you are new to this kind of terminology. a good description would be; sinks and cabinets there under with rich natural color.
It is the raw color of the wood, bronze, unpolished gold, copper. This was the authentic color before paint came about though you can get the look by painting.The rustic vessel sinks are a major part of interior decoration, you want to bring back the medieval royal taste something that takes you to the castle and Roman empire era.
It is easy to acquire these sinks, those who deal with antiques and the interior decorators can help. Hotels especially can gain a lot in this type of decoration, it is a fresh breath, a moment in time for the customers and it comes at a fair cost. If you are in interior decor business use it at a profit.