sentences:  The Argentine Ministry of the Treasury has, since the building's 1939 inaugural, been based in a 14-story Rationalist office building designed by local architect Carlos Pibernat.The Economy Ministry building was built on a 0.57 ha (1.4 ac) Montserrat neighborhood lot facing the Casa Rosada presidential office building to the north, and the Defense Ministry (Libertador Building) to the easta government building also designed by Pibernat.The building's lobby was decorated with murals painted by the architect's brother, Antonio Pibernat, a post-impressionist painter influenced by the naturalist Barbizon School.