EXAMPLES FROM THE WEB FOR AIRMAIL
Well, he said they hadn't been developed, and he wasn't going to have them developed, that he would send them to me airmail.
I would like to airmail it right away, but you Americans overload the mails at Christmas, so it would be safer to wait.
The disappearance of two airmail pilots leads to a mystery that centers about an abandoned mine and a strange old man.
The first envelope was addressed to Lee Harvey Oswald, airmail.
On the 4th of November, right, airmail letter to New Orleans.