1. Seal C.1 Reference (shelfmark): Seal C.1 Title: Scope & Content: CAST Of the Seal of Humphrey Stafford, Earl of Buckingham, etc., 1403. Humphrey Stafford, 6th Earl of Buckingham: Cast of seal of: 1403. Collection Area: Western Manuscripts Languages: English Date Range: 1403 Extent: 1 item