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https://www.delcampe.net/en_US/collectibles/stamps/china/1932-45-manchuria-manchukuo/

Search in the "1941-45 Japanese Occupation > 1932-45 Manchuria (Manchukuo)" category | Delcampe

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https://factsanddetails.com/asian/ca67/sub426/item2537.html

JAPANESE OCCUPATION OF CHINA BEFORE WORLD WAR II | Facts and Details

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https://hibid.com/lot/171012582/1942-philippines--japanese-wwii-occupation--10-cen?ref=catalog

1942 Philippines (Japanese WWII Occupation) 10 Cen | Live and Online Auctions on HiBid.com

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