Ephemeris.

Efemérides. Bicentenario del descubrimiento del wolframio por los hermanos de Elhúyar

Owner	carmelo lara mercado
Country	Spain
Colection
Face value	16 pts
Year	1983
State	Used
Status	Exhibition - Non-transferable
Category	Commemorations
Format	Landscape
Color	Multicolor
Other information	Perforated stamp
visualizations	458