Stamps, 90c denom
1 to 7 of 7
China
airmail1921, Jul 1 (no wmk info) (no perf info)
| - | 90c | Curtiss Jenny over Great Wall |
1929, Jul 5
| - | 90c | Curtiss Jenny over Great Wall |
1932 1932 airmail issue
| - | 90c | grayol | Junkers F13 over Nankoupass with Great Wall |
1940 1940 air a wmk issue wmk. yu
| - | 90c | grayol | Junkers F13 over Nankoupass with Great Wall |
1940 1940 air b unwmk issue unwmk
| - | 90c | grayol | Junkers F13 over Nankoupass with Great Wall |
Japanese occupation of North China
postage1944 1944a issue
| - | 90c | — | — |
Sinkiang
airmail1942, Nov 30 1942 air a issue
| - | 90c | grayol | — | — |
1 to 7 of 7