1. Seal CLXVIII.143 Reference (shelfmark): Seal CLXVIII.143 Title: Scope & Content: William de Ayermnin, Prebendary of York, Master of the Rolls, 1325. Douët d'Arcq wrongly describes him as Canon of Warwick. (10241) William de Ayermin, Prebendary of York; Master of the Rolls: Seal: 1325. Collection Area: Western Manuscripts Languages: English Date Range: 20th century Extent: 1 item