Ererwinus, the apprentice

A twelfth-century apprentice Everwinus sits practising flourished decoration while his master Hildebertus turns from his beautifully-appointed workdesk to curse and shout at a mouse running off with his cheese. Christopher De Hamel:"Medieval Craftsmen-Scribes And Illumunators" (London:British Museum Press,1992,1999 Sixth impression.)p.61