Stamp type -Air Mail Stamps
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Air Mail Stamps
Sinkiang Air 2 Air Mail Stamps with Overprint Reacting "Restricted for Use in Sinkiang" Issue date:11/30/1942 -
Air Mail Stamps
Air 4 Hongkong Print Air Mail Stamps (1940) Issue date:06/20/1940 -
Air Mail Stamps
Sinkiang Air 1 Definitive Stamps Converted into Air Mail Stamps with an Overprint Reading "Restricted for Use in Sinkiang" (1932) Issue date:11/01/1932 -
Air Mail Stamps
Air 3 3rd Peiping Print Air Mail Stamps (1932) Issue date:08/29/1932 -
Air Mail Stamps
Air 2 2nd Peiping Print Air Mail Stamps (1929) Issue date:07/05/1929 -
Air Mail Stamps
Air 1 1st Peking Print Air Mail Stamps (1921) Issue date:07/01/1921