Manuscripts, Sweden. MARIA EUFROSYNE of Zweibrücken (1625-1687), Royal Princess of Sweden 1654-, sister of Swedish King Karl X Gustaf, cousin to Swedish Queen Kristina and married to Magnus Gabriel De la Gardie. Letter content signed "Maria Euphrosina" and dated Stockholm 23 July 1660 and about money (584 daler copper coins). Rare item in good quality!