Stamps, issuer=China-type=airmail-1949-blgrn on-desc-id
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Kansu
airmail1949, Aug ovpted on stamp of China (no wmk info) (no perf info)
| - | (undenom) | blgrn | ovpt, DC-4 | — | — |
China, PRC
postage1950, Mar 1950 provisional issue ovpted on stamp of China
| X | $300 on | blgrn | DC-4 | — | — |
1951, May 2 1951 provisional issue ovpted on stamp of China
| X | $10 on | blgrn | DC-4 | — | — |
1 to 3 of 3