Herman Cudris Castañeda

Kekulé - 100 Years Benzolformel.

Kekulé - 100 Jahre Benzolformel.
OwnerHerman Cudris Castañeda
CountryGermany
Face value10
StateUsed
StatusExhibition - Non-transferable
CategoryScience
FormatVertical
Colorrosa vieja
Other informationPerforated stamp Air mail
visualizations263