BRD Deutscher Esperanto Kongress FFM 1953

In an excellent condition Bundes Republiek Germany - German Esperanto Congress FFM 1953 Frontside: Deutscher Esperanto Kongress FFM 1953 (FFM = Frankfurt am Main). City view Frankfurt. Esperanto star underneath. Backside: Safety pin Esperanto is created by L. L. Zamenhof in 1887 as an International auxiliary language