Heinrich von Stephan, the first German General Postmaster and founder of the Universal Postal Union, is the german figure of those stamps, dated 1924. The both histories, von Stephan and UPU, are allready in our "Set's History". Heinrich von Stephan, o primeiro Director Geral dos Correios Alemães e fundador da União Postal Universal, é a figura proeminente destes selos, datados...
