1. Seal CXLII.31 Reference (shelfmark): Seal CXLII.31 Title: Scope & Content: Henry Charles Keith Petty-Fitzmaurice, 5th Marquess of Lansdowne: Casts of a seal in possession of: 1899. Ireland: William III.: 1699. William III and Mary II of England: Great seal for Ireland: 1699. Collection Area: Western Manuscripts Languages: English Date Range: 1699-1899 Extent: 1 item