1. Egerton Ch 2167 Reference (shelfmark): Egerton Ch 2167 Title: Scope & Content: Press-marks: Press-marks of charters of Byland Abbey: 12th-14th centt. Forgeries: Byland Abbey charters (15th-16th cent.): circ. 1143-1364. John de Blaby: Forged confirmation by, to Byland Abbey: 1077 (sic for 1278?). Collection Area: Western Manuscripts Languages: English Date Range: 12th century-14th century Extent: 1 item