 | May 15, 1971
9¢ Red
Jet Silhouette
Scott #C77 |
 | May 7, 1971
11¢ Red
Jet Silhouette
Scott #C78 |
 | November 10, 1973
13¢ Red
Winged Letter
Scott #C79 |
 | July 13, 1971
17¢ Red, Green & Black
Statue of Liberty
Scott #C80 |
 | May 21, 1971
21¢ Red & Blue
USA
Scott #C81 |
 | May 7, 1971
11¢ Red
Jet Silhouette
Scott #C82 |
 | December 27, 1973
13¢ Red
Winged Letter
Scott #C83 |
 | May 3, 1972
11¢ Multicolored
City of Refuge
Scott #C84 |
 | August 17, 1972
11¢ Blue, Black, Green, Red & Yellow
Olympics
Scott #C85 |
 | July 10, 1973
11¢ Multicolored
Progress in Electronics
Scott #C86 |
 | January 11, 1974
18¢ Black, Red & Blue
Statue of Liberty
Scott #C87 |
 | January 2, 1974
26¢ Black, Red & Blue
Mount Rushmore
Scott #C88 |
 | January 2, 1976
25¢ Red, Black & Blue
Plane & Globes
Scott #C89 |
 | January 2, 1976
31¢ Red, Black & Blue
Plane & Globes
Scott #C90 |
 | September 23, 1978
31¢ Multicolored
Wright Brothers
Scott #C91 |
 | September 23, 1978
31¢ Multicolored
Wright Brothers
Scott #C92 |
 | March 29, 1979
31¢ Multicolored
Octave Chanute
Scott #C93 |
 | March 29, 1979
31¢ Multicolored
Octave Chanute
Scott #C94 |
 | November 20, 1979
31¢ Multicolored
Wiley Post
Scott #C95 |
 | November 20, 1979
31¢ Multicolored
Wiley Post
Scott #C96 |
 | November 1, 1979
31¢ Multicolored
Olympics
Scott #C97 |