Three iron tsuba Momoyama (1573-1615) and Edo (1615-1868) periods, late 16th-17th century The first two Ko-Shoami style: The first circular, the iron with good patina, pierced and chiseled with two folding fans and floral motifs; the second with eight lobes, three of the lobes formed by pierced folding-fan motifs; the surface of the third chiseled to create an ishime stone texture, pierced with a gunpai (battle commander's fan); the first with a handwritten ascription to the Ko-Shoami school Each with a wood storage box The first tsuba 3 1/4in (8.3cm) high