Herberth Sierra Licona

BENZENE RING.

ANILLO DE BENCENO. FORMULA DE KEKULÈ.
OwnerHerberth Sierra Licona
CountryGermany
Face value10 pf
Year1964
StateUsed
StatusExhibition - Non-transferable
CategoryIllustrations
FormatVertical
Colordk brn,brt grn & blk
Other informationPerforated stamp
visualizations272