1. Egerton Ch 7770 Reference (shelfmark): Egerton Ch 7770 Title: Scope & Content: Royal Exchange Assurance Company: Signet Warrants for charter of incorporation: 1720, 1721. Insurance: Signet Warrants for charters of incorporation of the London, and Royal Exchange Assurance Cos.: 1720, 1721. Collection Area: Western Manuscripts Languages: English Date Range: 1720-1721 Extent: 1 item