WW2 japan/ china items found in my mom dads items

[mech1]

HI My mom passed away in may ,, my dad 2 , 1/2 years ago ,, he was aww2 vet .. We found these items , any info would be helpful ,,Thanks Wayne
2 flags , what looks like a kimono, bayonet I found is a arisaka ,, and a hari kari sword ,with no marking ... and a white neck drape ?? w/china on it ,, these were storage as far as I know ,, since after ww2

 

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[A2coins]

Look like they could be valuable

 

[mech1]

Oops just realized ,, I didn't posted a pic of the komono ,, I really don't need values ,, was curious about the 1 w/ china on it ..any idea what it is and the komono, also

 

[chub]

I had a WW2 sword with shark skin wrap on the handle and prayer rag tied to it. I sold it 20 years ago for $250. It was in terrible condition because it had been stored in a damp cellar . Not much help Im afraid. There were alot of these sent back home from soldiers abroad

Chub

 

[Geradot]

The bayonet is from Arisaka, you need to look at the stigma to determine the manufacturer.
The flags of Japan are not expensive.
Wakidzasi sword - remove the handle, see if there is a mark of the master. If there is a stigma - you can determine the approximate cost. The sword must be saved from moisture and corrosion.
Kimono - ? age, price - must be studied.