Does the mark "Made in Occupied Japan" add value to a piece of china?

Yes it does but the question is what kind of china you have and how much of it. First you should know that there were lots of bowls,dishes, etc. coming out of Japan just after the war. Obviously if you have a "set" of dishes, or at least two or three cups that match, they increase the value a lot. Even better if you have the box. Just one dish might not be all that valuable unless its fairly big and has a unique design. Most of this stuff has disappeared over the years and that is why its valuable. Dont expect too much money though.

Occupied Japan China

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RE:

Does the mark "Made in Occupied Japan" add value to a piece of china?

Yes. Other pieces made in Japan during different eras will be marked "made in Japan" or simply "Japan", but Occupied Japan is the most collectable.

Wow Shotgun Tony it worries me that people like you can vote. Since you clearly have not even a rudimentary historical knowledge....

If you read the article you linked you will see that, in fact, japan was occupied. "In 1947, Japan adopted a new pacifist constitution emphasizing liberal democratic practices. The Allied occupation ended by the Treaty of San Francisco in 1952[26] and Japan was granted membership in the United Nations in 1956. "

mark occupied japan add piece china

I don't think so.

It sounds to me like something someone would put on there to deface the item. Japan doesn't appear to ever have been occupied by any outside power.

Yes, it assuredly does.