Wakizashi, 56.7 cm, Japanese Samurai sword attributed to Muromachi period (1390-1570)

Overall length: 567 mm = 56.7 cm;

Length of the blade (nagasa) only: 433 mm = 43.3 cm;

Weight: 476 g;

Sori (curvature): 15 mm - pronounced curvature, characteristic to Muromachi period (1390-1570 AD);

Nakago (tang): one round hole;

Habaki (collar) – absent;

TSUKA (handle): absent;

SAYA (scabbard): absent;

Provenance: Private collection of arms in Florida.

Wakizashi (脇差, "side inserted [sword]"): 

A general term for a sword between one and two shaku long (30 cm and 60 cm in modern measurement), predominantly made after 1600. 

Generally it is the short blade that accompanies a katana in the traditional samurai daisho pairing of swords, but may be worn by classes other than the samurai as a single blade, also worn edge up as the katana. 

The name derives from the way the sword would be stuck at one's side through the obi (sash/belt).^[8]