Adata's custom keyboard isn't for sale, but it was, you probably couldn't afford it.
24-Karat Gold Keyboard Proves All That Glitters Isn't RGB : Read more
24-Karat Gold Keyboard Proves All That Glitters Isn't RGB : Read more
That was my first thought as well. Perhaps they apply a durable clear coating on top of the layer of gold though.I'm assuming this would have terrible durability due to the softness of 24 karat gold?