The miniature sheet is, as usual, conventionally gummed. The stamps will be issued in individual sheets of 25 self-adhesive, and the 1st & 2nd letter stamps will also be in booklets of 12.
100 Years of Airmail: April 1918
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By Nancy Pope, Historian and Curator In April 1918, the Post Office
Department was a month away from the start of a regularly scheduled airmail
service. Ne...
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