Now showing: United States - Airmail stamps (1990 - 1999) - 2 stamps.
WM: None Design: Ethel Kessler. Engraving: Avery Dennison (AVR) Perforation: Rouletted 11
30. July WM: None Design: Ethel Kessler Engraving: Avery Dennison (AVR) Perforation: Rouletted 11
