1. Seal XCV.3 Reference (shelfmark): Seal XCV.3 Title: Scope & Content: Simon de Warwick, Abbot of St. Mary's, York (counterseal), 1257. City of York: Cast of counter-seal of the Abbat of St. Mary's: 1257. Simon de Warwick, Abbat of St. Mary's, York: Cast of counter-seal of: 1257. Collection Area: Western Manuscripts Languages: English Date Range: 1257 Extent: 1 item