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| Medal of Congress of Aix-la-Chapelle (Aachen) on October 1, 1818. CONCORDIA INTER CHRISTIANOS EUROPAE PRINCIPES PACTA. Rev: AQVIS CAROLI MAGNI MENSE OCTOBRI MDCCCXVIII by Brandt. Bronze 50mm. Participants Russia, Prussia, Austria and Great Britain, with France as observer. |
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