Heianjo Tsuba. The Muromachi period (室町時代 Muromachi jidai, also known as the Muromachi era, the Ashikaga era, or the Ashikaga period – from approximately 1336 to 1573). Depicts a gourd vine climbing a trellis or fence, with leaves, flowers and fruits. Two windows represented as an openwork. The seller identifies this tsuba as Heianjo-Namban, whatever it means. Iron core, brass and copper inlay. Round (Maru Gata),