Keywords: Parcel Post Aeroplane mail 20c 1913 issue.JPG en Image of 20c Parcel Post stamp of 1912<br>The 20-cent U S Parcel Post stamp of 1912 was the first stamp in history to depict an airplane six years before the U S Post Office Department issued stamps for airmail service Issue Date Dec 16 1912 U S Post Office; Smithsonian National Postal Museum Bureau of Engraving and Printing; Composite photo and imaging by Gwillhickers PD-USGov Uploaded with UploadWizard Stamps of the United States 1911-1920 Aircraft on stamps of the United States Red stamps |