An airmail stamp is a postage stamp intended to pay either an airmail fee that is charged in addition to the surface rate, or the full airmail rate, for an item of mail to be transported by air.
航空邮票，用于支付航空邮件邮资
An airmail stamp is a postage stamp intended to pay either an airmail fee that is charged in addition to…
Stamp Title: Airmail Stamp A1 An airmail stamp is a postage stamp intended to pay either an airmail fee that…