Edo period (1615-1868), late 17th-19th century Unsigned except as noted, the first shakudo nanako , inlaid in gold and silver relief with a naval engagement during the twelfth-century Genpei wars; the second shakudo nanako , inlaid in mixed-metal relief with samurai balancing on the plankless Uji bridge at the battle of the Uji River (1180); the third shibuichi , chased and inlaid with a Chinese dignitary, probably Komei or Gomo, holding a feather fan; the fourth shibuichi , inlaid in…