1. Seal CXLI.48-49 Reference (shelfmark): Seal CXLI.48-49 Title: COPPER ELECTROTYPES of the Leaden Bulla of Juan I. of Castile, etc., 1379. From the original bulla attached to Add. Ch. 8138. Collection Area: Western Manuscripts Languages: English Date Range: 1379 Extent: 2 items