Gerson. Opus tripartitum, de praeceptis Decalogi, de confessione, et de arte moriendi. >>>>>>>>>>>>>>>>>>>>> [Cologne: Ulrich Zell, ca. 1467]. 8.25" x 5.75". 32 leaves (1 and 32 being blanks) with additional blank leaves bound at front and rear. Gothic type, 27 lines, with initials and rubricating in red throughout. Bound in full brown levant by the Club Bindery with boards decorated in blind and gilt, spine with title and devices in gilt, gilt dentelles and marbled end-papers. Leaves bear watermarks of bull with a star extension and a few leaves with unicorn (traced to Netherlands 1466-1467), horizontal chains measuring approx. 37mm to 40 mm. A Fine copy with healthy margins. ****** Very rare first edition of one of the earliest productions of the first press established in Cologne. Proctor 804; BMC I 180 (IA 2722); Goff G 238.