Airmail
2c Washington and 10c Monroe Fourth Bureau 1929 U.S. Marine Crops, Port au Prince, Haiti Airmail to Cleveland, Ohio. Crease.
Airmail is almost always very straightforward. Please note you do not describe markings that simply denote airmail. The wording in the cancel or in the type of mail service part of the description suffices.
20c Golden Gate Fourth Bureau (4) 1932 New York, N.Y. City Hall Annex Double Airmail to Chiclayo, Peru.
As necessary, use Double Airmail, Triple Airmail, Four Times Airmail, etc.
10c Monroe Fourth Bureau 1935 San Jose, P.R. Air Mail Correo Aereo Saves Time Ahorra Tiempo Illustrated slogan to Brooklyn, New York.
If the wording Airmail or Air Mail appears in the cancel, it does not have to be repeated in the type of mail service section.
5c Roosevelt Fourth Bureau and 10c Map 1926 Houston, Tex. Airmail (10c CAM under 1000 miles Dallas to Chicago + 5c One Zone Government Route) to New York, N.Y. Illustrated Advertising Hotel Cotton.
Rate explanations go in (parentheses) after the word Airmail. You will be given the rate information.