 Domestic Air Mail as a separate class of service (and its rate structure) was formally eliminated by the successor to the Post Office Department, the United States Postal Service (USPS) on May 1, 1977.When the USPS began to service all international First Class mails by air without additional charge in 1995 and simultaneously eliminated Surface (or "Sea") service which provided transportation by ship, it also announced that the words "Air Mail" would no longer appear on any U.S. postage stamps However a stamp denominated for foreign mailing, and showing a small airplane silhouette, is considered to be the final "air mail" issue.It was issued in 2012.