Stamps of China - Northeastern Provinces, grn color
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postage
1946 1946d issue ovpted on stamp of China unwmk (no perf info)
| - | $2 on $20 | grn | Assembly House Nanking |
1946, Apr 1946b issue ovpted on stamps of China
| - | 10c | grn | ovpt, Sun Yat-sen, v. 3, p. 12.5 | |||
| - | 10c | grn | ovpt, Sun Yat-sen, v. secret mark, p. 14 |
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