1. Egerton Ch 7771 Reference (shelfmark): Egerton Ch 7771 Title: Scope & Content: John Mendes Da Costa, junior: Signet Warrants for letters of denization to: 1717, 1721. Jacob Mendes Da Costa: Signet Warrants for letters of denization to: 1717, 1721. Collection Area: Western Manuscripts Languages: English Date Range: 1717-1721 Extent: 1 item