Stamps of Great Britain - British offices in China, 6c denom
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postage
1917 1917 issue ovpted on stamp of Hong Kong wmk. mult crown & CA p. 14
| - | 6c | org | ovpt, King George V | — | — |
1922 1922 issue ovpted on stamp of Hong Kong
| - | 6c | org | ovpt, King George V | — | — |
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