Nice envelope with a lovely souvenir sheet. PIRACEMA - Processo de Reprodução dos Peixes
PIRACEMA - Process of Reproduction of Fish
(...) Piracema is the name given to the period of the year when fish within the Paraguay River drainage basin―which includes the Pantanal region in the Brazilian states of Mato Grosso and Mato Grosso do Sul―reproduce.Measures have been taken as a way of preventing impacts from overfishing during the piracema period. In that states it is a crime to fish in any location that has been designated by any environmental institution (...).
Courtesy of Sigisberto! Muito obrigado!
