1. Seal CLXVIII.110 Reference (shelfmark): Seal CLXVIII.110 Title: Scope & Content: Henry, Duke of Lancaster, d. 1361, Signet, 1352. (10156) Lancaster, Duchy of., Henry, Duke of: Signet: 1352. Collection Area: Western Manuscripts Languages: English Date Range: 20th century Extent: 1 item