11. Seal CXXXIX.20 Reference (shelfmark): Seal CXXXIX.20 Title: Scope & Content: Thomas Flete, Monk and Warden of St. Mary's Chapel, Westminster. Thomas Flete, Warden of St Mary's Chapel in Westminster Abbey: Seal: 1494-1495. Collection Area: Western Manuscripts Languages: English Date Range: Unspecified Extent: 1 item