1994 - Centennial of the National Geological Institute

1994 - Centenario del Instituto Geológico Nacional

Owner	Manuel Briones
Observations	Ammonite.
Country	Hungary
Face value	2
Year	1969
State	Used
Status	Interchangeable
Category	Science
Format	Vertical
Color	Multicolor
Other information	Perforated stamp
visualizations	86