Page 23 - Demo

Regular Issue Air Mails1958, 1960Jet SilhouetteC51%u2014July 31, 1958Jet SilhouetteC60%u2014August 12, 1960Jet Silhouette, Booklet PageC51a%u2014July 31, 1958Jet Silhouette, CoilC52%u2014July 31, 1958Jet Silhouette, Booklet PageC60a%u2014August 12, 1960Jet Silhouette, CoilC61%u2014October 22, 1960The blue Jet Silhouette stamp was released when the domestic Air Mail rate for letters was increased from 6%u00a2 to 7%u00a2. Because Air Mail volume had grown significantly, the Post Office issued conventional sheet stamps, coil stamps, and booklets all on the same day. Two years later it reissued the stamp, in all three versions%u2014in red.