OBVERSE

Polychromy in chalcography and offset.
On the right, portrait of the scientist Augusto Ruschi (1915-1986), flanked by allegories of flora and fauna, highlighting a representation of Cattleya labiata warneri, an orchid that, with dozens of varieties, is the most typical of Espírito Santo and the largest flower of its kind in Brazil.
In the center, rectangular stamp of 500 Cruzeiros.

REVERSE

Polychromy in chalcography.
Ruschi examining orchids, highlighting the figure of a hummingbird.

Non-contractual photo