Treasures of gold, guts and pipes

After the last post with trumpet-monster images from Egerton MS 3277, 2nd half of the14th century, here some of the wonderful treasures in the fascinating 'Bohun Psalter, "probably made for either the 6th or the 7th earl of Hereford, both named Humphrey Bohun (d. 1361 and d. 1373, respectively) or for Mary de Bohun (married Henry of Bolingbroke in 1380, d. 1394)"