Hi there! This is a bronze sink from a company called Link-a-Sink. It does requires to be maintained and have wax applied to it so it does not change color. I would not recommend it in a bath that is receiving excessive use but rather a powder room. Here is the site:
http://www.linkasink.com/sink_info.php?sink=13
thanks for your inquiry!
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This is the Linkasink B006 Brocade Bowl. It can be either a vessel sink or a drop in: http://focalpointhardware.com/linkasink-b006-brocade-bowl-p-16578.html

Linkasink has a few similar style sinks and they are all exquisite.
Check out the selection and purchase here: http://focalpointhardware.com/bronze-sinks-c-11_886_885.html