Mokume Gane, translated to mean "wood grain metal" is a Japanese metalworking procedure which combines various metals to form a unique swirl of patterns.
Mokume Gane Flat or Slightly Rounded Band in 18K Yellow and Sterling Silver - Non-Etched or Etched
Mokume Gane Domed Band with Rails in 18K Yellow, 14K Palladium White, and Sterling Silver - Etched