Ornamental letter page at the beginning of the prologue of the Lindisfarne Gospels (Description & image adapted from - The Illustrated Bible Dictionary, Inter Varsity Press 1980, Volume I, Page 450 (BL))  

Description & picture from 'Our Bible & the Ancient Manuscripts' by Sir Frederick Kenyon (1895 - 4th Ed. 1939) Page 184 & Plate XXVI. (Page-size: 34 x 25cm. )
Lindisfarne Gospels - British Library, Cotton MS Nero D.iv.