RPPC sent from Austria to German geologist/naturlist Carl Carnier (author Observacoes Geologicas-Geographicas e Ethnographicas sobre a Viagem de Exploracao de Cuyab�? �? Serra do Norte, Passando por S. Luiz de C�?ceres) where he had worked on an expedition on the Amazon in Brazil with the Rondon Commission. Sent from Dr Ottokar Lenecek, of Bruenn, Austria (now Brno, Czech Republic). Worn around the edges, some marginal adherances.