Tanto created by the renowned Ikkansai Shigemasa. This masterpiece, specially preserved as a Mukansa sword, holds historical significance, documented with NBTHK Tokubetsu Hozon paper. Crafted during the Showa period in 1966, Shigemasa Sakai Itsusai, born Hiroshi Sakai, descended from a lineage deeply rooted in swordsmithing. Trained under Shigemasa Itsusai Kasama for over 15 years, he received the prestigious “Shige” pace and adopted the name Shigemasa. Noteworthy as both an Army and Navy Swordsmith, Shigemasa’s talents extended beyond swordsmithing. He created a Tanto for Admiral Isoroku Yamamoto, the commander-in-chief of the Imperial Japanese Navy’s Combined Fleet during World War II. His post-war endeavors led him to become a recognized Japanese art master. This particular work, certified as uninspected by the Sword Preservation Association, stands out in the Shinshinto Taikansho and commemorates the 60th birthday of Yoshiaki Iimura’s wife, Hatsuyo Iimura. The blade, measuring 26 cm with a hamachi width of 2.65 cm and Motoshige Kasane of 6mm, exemplifies the meticulous artistry of Ikkansai Shigemasa. The historical context of this Tanto adds to its allure, with a legacy tied to significant figures and events. Its preservation as a Mukansa sword underscores its rarity and importance in the world of Japanese swords. The NBTHK Tokubetsu Hozon paper serves as a testament to its authenticity and quality, providing collectors and enthusiasts alike with a unique and distinguished piece of swordcraft history. Elevate your collection with this remarkable Tanto, a symbol of skill, heritage, and artistry, meticulously crafted by the revered Ikkansai Shigemasa.