Period: Unknown, although almost certainly pre-war Gendai.
Sugata: Shinogi-zukuri, low tori-zori, bo-hi and iori-mune.
Overall length: 32.98 inches (837.69 mm).
Nagasa: 25.1 inches (637.54 mm).
Nakago: 7.88 inches (20.02 mm). Ubu. The nakago-jiri is ha agari kurijiri.
Kissaki: Chu-kissaki, 1.14 inches (29.00 mm), o-maru boshi.
Moto-haba: 1.21 inches (30.70 mm). Saki-haba: 1.14 inches (29.00 mm). Moto-gasane: 0.25 inches (6.40 mm). Saki-gasane: 0.19 inches (5.00 mm).
Sori: 0.2 inches (5.08 mm).
Hada: Difficult to make out without a magnifying glass, but it is a very fine and very tight nashiji hada.
Blade condition: In fine polish, with no flaws. Minor surface scratches and very minor oxidation.
Buke-zukuri. Black laquered saya, tsuka bound in black ito. The same is in very good condition, and would apear to be a full wrap. The habaki is, at 1.53 inches (38.90 mm), quite long. It has a falling rain design. The tsuba is made of iron, whilst the fuchi-kashira is of iron, copper and gold. The kashira has gilt shitodome.
See pictures below.
Most definitely not a military sword. This was intended, from the first, to be a civilian sword. If it is, as seems likely, a Gendai blade, then it belongs to the period before WW2.