SUITE OF FOUR TSUBASIn iron, the first two mokkogata, one decorated with an openwork diamond; the second with an irregular surface; the third, marugata, with an openwork stylized motif and the fourth in the shape of a birdUnsignedJapan, late 16th to 18th centuriesA GROUP OF FOUR IRON UNSIGNED TSUBA, JAPAN, LATE 16TH TO 18TH CENTURY. UP. (MAX) 8.8 CM (3 7/16 IN.)