I'm thinking this may have been a officer's sword of the imperial navy. Best information I have was it was acquired in New Guinea around '42 or '43. I'd appreciate any info on it. TIA. Sheath, sorry I didn't post pics is standard metal army sheath.
The BladeForums.com 2024 Traditional Knife is available! Price is $250 ea (shipped within CONUS).
Order here: https://www.bladeforums.com/help/2024-traditional/