A Japanese sword (tachi)

A Japanese sword (tachi), blade 27 in., shinogi-zukuri, suguha hamon, gilt copper habaki, aoi tsuba engraved with twining foliage, tsuka and saya with full length fukurin and encircled by a series of reeded brass bands, each of the intervening panels set with the hollyhock mon of the Tokugawa clan amid foliate scrolls, kabutogane and sayajiri with upswept ends, ashi kanamono with buff leather obitori each set with a further hollyhock mon. 19th Century