Brazil 1398

     The stamp is one of a set of three issued by Brazil in 1975. It shows petroglyphs from the “cultivated rock” of Ingá, the most important object in Brazilian archaeology. It is a monolith, 23 meters long and 1 meter high, engraved with inscriptions called “itacoatiaras.” It is located in the western part of the state of Paraíba, 80 km from the capital, João Pessoa.