An o-yoroi armour
The helmet by Muneyoshi, late Edo Period, 19th century, the suneate by Munesuke, mid Edo Period, 17th/18th century, the armour late Edo Period, 19th century
A good armour modelled after armour styles of the late 12th to early 13th centuries, the low rounded hoshibachi kabuto signed Myochin Ki no Muneyoshi, black-lacquered and mounted in shiho jiro style, the four gilt plates overlaid with shinodare and igaki, at the top a large gilt tehen kanamono, the sharply downturned mabisashi in leather covered and overlaid by a kuwagata dai formed as an oni fitted with long kuwagata engraved with a feathered design, to the rear a large kasa jikoro of leather hon kozane, the front edges turned back to form large fukigaeshi covered with printed leather and bearing the Shimazu family mon in gilt copper, black-lacquered iron mask with hair moustache and fitted with a three-lame yodarekake and a matching nodowa, o-sode, Yoshitsune gote, the typical o-yoroi do with separate waidate on the right side, the front covered with a printed leather tsurubashiri to which are attached three gilded iron Shimazu mon, beneath the sendan and kyubi-no-ita, hodo haidate mounted on a fabric backing, large o-tateage suneate in russet-iron signed Myochin Ki no Munesuke and a pair of bear-fur kutsu, lacquered gold overall and laced in red kebiki odoshi, gilt-metal Shimazu mon are applied to the shikoro, yodarekake, nodowa, sode and kusazuri and in iron on the suneate; contained in a large karabitsu (armour box) with a wood stand. The armour box 102cm x 75cm x 66cm (40 1/8in x 29½in x 26in).
FOOTNOTES
島津家紋散朱糸毛引威大鎧　
鉄黒漆塗星兜　銘「明珍紀宗義」　江戸時代後期（19世紀）
脛当　銘「明珍紀宗介」　江戸時代中期（17/18世紀）　

The full inscription on the inside of the lid of the karabitsu is transcribed as:

薩摩十一代藩主　島津左近衛権中将　御着　御下賜
金小札紅糸縅大鎧　十六間四方白大星兜明珍紀宗義
大立挙臑当明珍紀宗介　安政六年正月　伊地知季靖記

And may be translated as:

Armour presented to the 11th Lord of Satsuma, Generalissimo Shimazu. Oyoroi of gold lamellae with red lacing. 16-plate helmet in shiho style with large studs by Myochin Ki no Muneyoshi. O-tateage suneate by Myochin Ki no Munesuke. Ansei sixth year (1859), first month. Recorded by Ijichi Sueyasu.

Shimazu Nariakira, 11th Lord of Satsuma (1809-1858) ruled from 1851 to 1858. Ijichi Sueyasu (1828-1886), also called Masaharu, was a leading figure in the Satsuma clan and played a heroic role in the overthrow of the shogunate and the Meiji restoration of 1867-1868.