BEIN ZZi 07: Proofsheet of recto of fol. I (2d count, beginning of "Vorred uber Matheum"). Slightly mutilated; apparently removed from a binding., Printed in black and red., and BAC Leaf Collection no. 0149: Imperfect: a single leaf, from John XXXX. From a collection of fifteenth- and sixteenth-century printed leaves compiled by Frederick Werther, with his enumeration stamped in ink.
