Stamps of China - Japanese occupation of North China, 25c denom
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postage
1942 1942c issue ovpted on stamp of China Dah Tung print unwmk p. 14
| - | 25c on 50c | dkbl | Sun Yat-sen | — | — |
1942 1942d issue ovpted on stamp of China Dah Tung print wmk. yu
| - | 25c on 50c | dkbl | Sun Yatsen | — | — |
1942 1942e issue ovpted on stamp of China - martyrs (1932)
| - | 25c on 50c | grn | Chen Ying-shih | — | — |
1942 1942f issue ovpted on stamp of China - martyrs (1932) Hong Kong print unwmk (no perf info)
| - | 25c on 50c | grn | Chen Ying-shih | — | — |
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