1. Seal CLXXIX.13 Reference (shelfmark): Seal CLXXIX.13 Title: Scope & Content: Henry IV, as Duke of Lancaster; cf. Add. Ch. 70687 (p. 339 above). Duchy of Lancaster: Seal: temp. Hen. IV. Henry IV of England: Seal as Duke of Lancaster. Collection Area: Western Manuscripts Languages: English Date Range: Unspecified Extent: 1 item