Stamps Year 1984

Scott#2077 exchange, 0.20 usd, 20 cents.
Francisco Javier Jiménez Frías
Argentina-change
Miguel Angel Sancho
Argentina-change
Miguel Angel Sancho
Argentina-change
Miguel Angel Sancho
FLIGHTS OVER THE ARCTIC, 1914.
Herberth Sierra Licona
THE PZL P-7
Herberth Sierra Licona
FIRST ENGINED FLIGHT OVER WARSAW, 1911.
Herberth Sierra Licona
GLOBO POLONEZ, 1983.
Herberth Sierra Licona
WILGA, 1983.
Herberth Sierra Licona
MODERN GLIDER
Herberth Sierra Licona