300 Years After. Empress Maria Theresia and Her 1748 Imperial Seal

May 13, 2017 marks the 300th anniversary of the birth of the Austrian Archduchess and Empress Maria Theresia, who ruled between 1740 and 1780. This months archivalia presents the powerful monarch with her imperial coat of arms and her ruler's title as depicted by the beautifully preserved seal attached to her 1748 charter.