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The first guaraní notes were of 50 céntimos, 1, 5, and 10 guaraní and over stamped on 50, 100, 500, and 1000 pesos in 1943. Regular guaraní notes for 1, 5, 10, 50, 100, 500 and 1000 guaraní, soon followed. They were printed by De La Rue.
The 1963 series (under the law of 1952) was a complete redesign. The lineup also expanded upward with the addition of 5000 and 10,000 guaraníes. This designed lasted for decades until inflation removed notes up to and including 500 guaraníes from circulation. The 1982 revision added denominations in the Guaraní language to the reverses.