Mate Copper, Old Penny And New Penny Are Popular Patina Finishes For Those Looking For A Standard Copper Appearance For Their Copper Sinks. All Patina Finishes Are Hand Created. Therefore, No Two Patinas Are Ever The Same. Once Your Sink Is Completed, We Provide You With Photographs For Your Approval Of The Patina Finish. We Offer One Patina Change At No Charge. That's Our Guarantee That You Will LOVE Your Copper Sink.