O-tanto in koshirae signed Inoue Shinkai

Koto tanto with gimei signature by Sukenao.

Blade length: 7.63 inches (188.46 mm). Sori: Uchi-zori 0.5 inches (12.35 mm). Moto-haba: 0.88 inches (21.73 mm). Saki-haba: 0.63 inches (15.56 mm). Moto-gasane: 0.22 inches (5.4 mm). Saki-gasane: 0.13 inches (3.21 mm). Period: Early Kamakura. The blade is in old but good polish.

Yamato Tegai school tanto in shirasaya.

Blade length: 11.93 inches (303.00 mm). Sori: 0.24 inches (6.00 mm). Motohaba: 0.92 inches (23.30 mm); Motokasane: 0.21 inches (5.40 mm). Period: Late Kamakura to Muromachi era (14th century-1573). Probably 15th century. The blade is in good polish.

Koto period Sue-Mihara tanto by Masamune in aikuchi koshirae.

Blade length: 12.52 inches (318.00 mm). Sori: 0.27 inches (6.9 mm). Moto-haba: 1.12 inches (28.40 mm). Moto-gasane: 0.28 inches (7.00 mm). Period: circa 1469. The blade is in fresh polish and excellent condition.