see <#amf=Air Mail Field>.

private printer of the 1968 6¢ Walt Disney <#commem=commemorative>,  <#scott=Scott> 1355.

see <#rr=Return Receipt>.

a <#stamp> paying the postage for <#airmail=air mail>.  Since 1977 Air Mail stamps are issued only for international air mail.  <#scott=Scott> numbers for air mail stamps are prefixed with C.

a <#stampenv=stamped envelope> intended for <#airmail=air mail> service.  <#scott=Scott> numbers for air mail stamped envelopes and <#aerogram=aerograms> are prefixed with UC.