A TANTO, the blade hirazukuri, mitsumune, itame hada, notare hamon, ubu nakago with signature Umetada Yoshinobu, 17th century, 18.5cm., in a black lacquer saya, whalebone bound tsuka, silver mounts comprising fuchi-kashira, hamidashi tsuba and wari-kogai chiselled with waves, kojiri and kozuka carved with crayfish, gilt horse menuki