HERZBERG/HARZ. Certifikato 10+2 German Marks. green, black. No 554. Small format with vignette of a villa which was the home of theesperantoorganisation of Herzberg am Harz (Lower Saxony). They wished to convert it into their cultural centre to promote the artificial international auxiliary language Esperanto. The club still exists today in Herzberg. Worldwide, it is estimated that today there are approx. 100,000 esperanto speakers spread in 120 countries. The text on this cert. is of course in that language, and as such a most unusual feature in scripophily.
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