Kansu Air 1 Air Mail Unit Postage Stamp with Overprint Reading 〝For Use in Kan-Ning-Tsing District" (1949)
| Stamp SN | CD01 |
| Stamp Name | Kansu Air 1 Air Mail Unit Postage Stamp with Overprint Reading 〝For Use in Kan-Ning-Tsing District" (1949) |
| Stamp Cat Standard | Air Mail Stamps |
| Stamp Cat | Aviation |
| Issue date | 1949-05-07 |
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Description
The stamps were overprinted in red by the Kan-Ning-Tsing District Head Post Office with the wording〝限甘寧青區貼用〞(restricted for use in Kan-Ning-Tsing District) stamped by hand with rubber chops piece by piece.