Now showing: United States - Airmail stamps (1970 - 1979) - 21 stamps.
7. May WM: None Design: G. V. Sluis. Perforation: 11 x 10½
15. May WM: None Design: G. V. Sluis Perforation: 10½ x 11
WM: None Perforation: 11 x 10½
21. May WM: None Perforation: 11
13. July WM: None Design: Robert J. Jones. Perforation: 11
WM: None Design: Paul Rabut Engraving: Bureau of Engraving & Printing. Perforation: 11
17. August WM: None Design: Lance Wyman. Engraving: Bureau of Engraving & Printing. Perforation: 11 x 10½
10. July WM: None Design: Walter y Naiad Einsel. Engraving: Bureau of Engraving & Printing. Perforation: 11
WM: None Design: R. Shehorn. Perforation: 11
2. January WM: None Design: D. G. Foote. Perforation: 11
29. March WM: None Design: K. Dallison Engraving: A. Saavedra, Edward Archer, J. L. Goodbody, K. C. Wiram Perforation: 11
29. March WM: None Design: K. Dallison. Engraving: A. Saavedra, Edward P. Archer, J. L. Goodbody y K. C. Wiram. Perforation: 11
1. November WM: None Design: R. N. Cunningham. Engraving: Bureau of Engraving & Printing. Perforation: 11
20. November WM: None Perforation: 11
