1. Seal CLXXIX.67 Reference (shelfmark): Seal CLXXIX.67 Title: Scope & Content: Mary, widow of the Emperor Otto IV; 1259. As Posse, ibid., pl. 26, no. 2. Otto IV; Emperor of Germany: Seal of his widow, Mary: 1259. Collection Area: Western Manuscripts Languages: English Date Range: Unspecified Extent: 1 item