"Hainricus Missal"
(Gradual, Sequentiary, and Sacramentary), in Latin
Purchased by J. P. Morgan, Jr., 1926
Medallion 1:
Month, Occupation: May -- Youth, wearing bicolored tunic and foliate crown, seated on foliate bench, holds leaves in each hand.
Medallion 2:
Zodiac Sign: Gemini -- Twins embracing, flanked by two trees.
Stem of initial K terminates in cross.
Two rounded arches, surmounted by ornament decorated with human head, frame text.