(1950) 75th Anniversary of the UPU. 500,000 sets issued.
(1953) Quadricentenary of the founding of Valdivia. Stamp depicts Ancient Fortress.
(1953) Centenary of Chile's first postage stamp.
(1954) 25th Anniversary of National Airlines.
(1954) 150th Anniversary of the birth of Ignacio Domeyco, Polish born mineralogist.
(1954) Railway Centennial. 300,000 issued.
(1955) President Peron's of Argentina visit to President Ibañez of Chile.
(1961) Spain-to-Chile charity issue donated by Spain to aid Chilean earthquake victims and increase teacher's salaries.