This is the gate of the Lord
First half of the 12th century
University of Aberdeen, Historic Collections
From the "St. Albans Psalter", created at St. Abans Abbey essentially by Geoffrey de Gorham (or Gorron), Abbot of St. Albans (1119-46). Psalms 118:19f.: A welcoming angel opens the gates with one hand and holds the book with the other. The book is inscribed "this is the gate of the Lord".