Commemorative stamp for the 6th congress of the municipals in Berlin and Munich jun, 7th till jun, 13th 1936
scanned by <a href="//commons.wikimedia.org/wiki/User:NobbiP" title="User:NobbiP">NobbiP</a>
scanned by <a href="//commons.wikimedia.org/wiki/User:NobbiP" title="User:NobbiP">NobbiP</a>