|Stamp Name||Air 11 Cheng Cheng-kung Air Mail Issue (1950)|
|Stamp Cat Standard||Air Mail Stamps|
|Dimension of stamps(mm.)||18x21.5|
|Size of souvenir Sheet (mm.)|
|Printer||Taiwan Office of the Dah Tung Book Co.|
|Paper||60-lb native woodfree printing paper<br>|
The design is the same as that of Cheng Cheng-kung's definitive stamps.The difference is that the air mail stamps have the character〝航〞engraved on the right side of the portrait and another character〝空〞on the left side (the two characters mean aviation).