K190.  Fuchi kashira in iron with gold and shakudo overlay.  The inside dimentions of the fuchi are 1.7 x 3.35 cm.  The fuchi is signed Masamitsu and, sorry, I can’t make out the 3rd Kanji (which doesn’t look like a kao).  There are 2 piece himi-toshi in silver; condition is excellent.  $295.