Danitrio Byakudan-nuri in Blue Green on Mikado Fountain Pen100% Genuine Urushi Contains the Maki E Red Seal (Highest Quality of Maki E Art) Hand painted by highly trained Japanese Artisans Byakudan technique generally consists of floating gold or silver foil in the urushi layers of the pen to create a gleaming and radiant luster. In this pen, artisan Masanori san creates a rendering of Byakudan using pieces of gold and silver foil embedded in the layers, which emits a subtle but powerful visual effect. Urushi