1. Seal XLIX.25-27 Reference (shelfmark): Seal XLIX.25-27 Title: Letter seals of Frederic, Duke of York, 1783-1827. Scope & Content: Frederick Augustus, Duke of York and Albany; 2nd son of George III: Seals. Collection Area: Western Manuscripts Languages: English Date Range: 1783-1827 Extent: 3 items