Is The Blue Aurene Acid Etched?

Dick Stark of Potomac, MD says:

Alan

I don’t think the drip is created by acid etching. Rather, it’s an oxide overspray which creates an iridescence over a margin is translucent yellow jade gather . Only then , etching is done to create the desired design. It’s a variant of Tiffany’s lava affect which is the final process before completion