A Yamato school wakizashi in shirasaya, 17th century, the blade 'honzukuri, iorimune' with 'notare hamon', tang 'ubu' with one 'mekugi ana', signed 'Musashi no kami Minamoto no Toshishige', encased in 'shirasaya', accompanied with an NBTHK 'tokubetsu hozon' certificate, the blade 45.5 cm long