A shakudō kozuka decorated with equestrian tack inlaid in raven black shakudō, gold uttori and a silver alloy on a nanako ground. Unsigned. Attributed to Goto Joshin (Japanese, 1513 – 1562), 3^rd generation Goto master. Late Muromachi period, Tenbun era (c. 1550). Size: 96.7 x 14.4 x 4.9 mm. Tokubetsu Hozon certificate № 2004230 issued by NBTHK on May 10, 2017. For a detailed explanation of terms see: Sesko, Markus. Handbook: Of Sword Fittings Related Terms. Germany: Books on Demand, 2011.